La Scala opera house is pictured during snowfall in Milan December 7, 2012. La Scala opera house will open the 2012/2013 season with Richard Wagner's "Lohengrin", which is directed by Daniel Barenboim. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT ENVIRONMENT) 

France's Culture Minister Aurelie Filippetti and supervisor of La Scala opera house Stephane Lissner pose for photographers in Milan December 7, 2012. La Scala opera house will open the 2012/2013 season with Richard Wagner's "Lohengrin", which is directed by Daniel Barenboim. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT POLITICS) 

Italy's Finance Minister Vittorio Grilli and and his girlfriend Alessia Ferruccio arrive at La Scala opera house in Milan December 7, 2012. La Scala opera house will open the 2012/2013 season with Richard Wagner's "Lohengrin", which is directed by Daniel Barenboim. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT POLITICS BUSINESS) 

FIAT brand manager Lapo Elkann and his girlfriend Goga Ashkenazi pose for photographers as they arrive at La Scala opera house in Milan December 7, 2012. La Scala opera house will open the 2012/2013 season with Richard Wagner's "Lohengrin", which is directed by Daniel Barenboim. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT TRANSPORT) 

FIAT brand manager Lapo Elkann and his girlfriend Goga Ashkenazi pose for photographers as they arrive at La Scala opera house in Milan December 7, 2012. La Scala opera house will open the 2012/2013 season with Richard Wagner's "Lohengrin", which is directed by Daniel Barenboim. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT TRANSPORT) 

Italian Prime Minister Mario Monti (L) arrives as he is welcomed by supervisor of La Scala opera house Stephane Lissner in Milan December 7, 2012. La Scala opera house will open the 2012/2013 season with Richard Wagner's "Lohengrin", which is directed by Daniel Barenboim. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT POLITICS) 

Italian Prime Minister Mario Monti (C) and his wife Elsa is welcomed by supervisor of La Scala opera house Stephane Lissner in Milan December 7, 2012. La Scala opera house will open the 2012/2013 season with Richard Wagner's "Lohengrin", which is directed by Daniel Barenboim. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT POLITICS) 

France's Culture Minister Aurelie Filippetti arrives at the La Scala opera house in Milan December 7, 2012. La Scala opera house will open the 2012/2013 season with Richard Wagner's "Lohengrin", which is directed by Daniel Barenboim. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT POLITICS) 

Italy's Minister of Economic Development, Infrastructure and Transport Corrado Passera and his wife Giovanna Salza arrive at La Scala opera house in Milan December 7, 2012. La Scala opera house will open the 2012/2013 season with Richard Wagner's "Lohengrin", which is directed by Daniel Barenboim. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT POLITICS) 

Italian Prime Minister Mario Monti arrives with his wife Elsa at the La Scala opera house in Milan December 7, 2012. La Scala opera house will open the 2012/2013 season with Richard Wagner's "Lohengrin", which is directed by Daniel Barenboim. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT POLITICS) 

Argentine conductor Daniel Barenboim directs Beethoven's ninth symphony in honor of Pope Benedict XVI (not pictured) at La Scala in Milan June 1, 2012. The Pope is in Milan for the 2012 World Family meeting. REUTERS/Daniel Dal Zennaro/Pool (ITALY - Tags: RELIGION) 

Director Daniel Barenboim (L) greets Pope Benedict XVI at La Scala theater at the end of a concert, in Milan, June 1, 2012. The Pope is in Milan for the 2012 World Family meeting. REUTERS/Daniel Dal Zennaro/Pool (ITALY - Tags: RELIGION) 

Carabinieri police stand guard in front of La Scala opera house in Milan December 7, 2011. Mozart's "Don Giovanni", conducted by director Daniel Barenboim , will open for the 2011 opera season at the La Scala opera house. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT SOCIETY) 

Mozart's " Don Giovanni" opera is seen on a screen in downtown Milan December 7, 2011. Mozart's "Don Giovanni", conducted by director Daniel Barenboim , will open for the 2011 opera season at the La Scala opera house. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT SOCIETY) 

People watch the " Don Giovanni" opera on a screen in downtown Milan December 7, 2011. Mozart's "Don Giovanni", conducted by director Daniel Barenboim , will open for the 2011 opera season at the La Scala opera house. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT SOCIETY) 

A general view is seen of La Scala opera house in Milan December 7, 2011. Mozart's "Don Giovanni", conducted by director Daniel Barenboim , will open for the 2011 opera season at the La Scala opera house. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT SOCIETY) 

Carabinieri police stand in front of La Scala opera house in Milan December 7, 2011. Mozart's "Don Giovanni", conducted by director Daniel Barenboim , will open for the 2011 opera season at the La Scala opera house. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT SOCIETY) 

Italy's Industry Minister Corrado Passera smiles as he arrives at La Scala opera house in Milan December 7, 2011. Mozart's "Don Giovanni", conducted by director Daniel Barenboim , will open for the 2011 opera season at the La Scala opera house. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT SOCIETY POLITICS) 

Barbara Berlusconi arrives at La Scala opera house in Milan December 7, 2011. Mozart's "Don Giovanni", conducted by director Daniel Barenboim , will open for the 2011 opera season at the La Scala opera house. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT SOCIETY) 

Italian Interior Minister Anna Maria Cancellieri arrives at La Scala opera house in Milan December 7, 2011. Mozart's "Don Giovanni", conducted by director Daniel Barenboim , will open for the 2011 opera season at the La Scala opera house. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT SOCIETY POLITICS) 

Italy's Industry Minister Corrado Passera and his wife Giovanna Salsa smile as they arrive at La Scala opera house in Milan December 7, 2011. Mozart's "Don Giovanni", conducted by director Daniel Barenboim , will open for the 2011 opera season at the La Scala opera house. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT SOCIETY POLITICS) 

Italy's Industry Minister Corrado Passera and his wife Giovanna Salsa pose as they arrive at La Scala opera house in Milan December 7, 2011. Mozart's "Don Giovanni", conducted by director Daniel Barenboim , will open for the 2011 opera season at the La Scala opera house. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT SOCIETY POLITICS) 

Italian Prime Minister Mario Monti arrives at La Scala opera house in Milan December 7, 2011. Mozart's "Don Giovanni", conducted by director Daniel Barenboim , will open for the 2011 opera season at the La Scala opera house. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT SOCIETY POLITICS) 

Barbara Berlusconi and her boyfriend Alexander Pato pose as they arrive at La Scala opera house in Milan December 7, 2011. Mozart's "Don Giovanni", conducted by director Daniel Barenboim , will open for the 2011 opera season at the La Scala opera house. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT SOCIETY SPORT SOCCER) 

Barbara Berlusconi and her boyfriend Alexander Pato pose as they arrive at La Scala opera house in Milan December 7, 2011. Mozart's "Don Giovanni", conducted by director Daniel Barenboim , will open for the 2011 opera season at the La Scala opera house. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT SOCIETY SPORT SOCCER) 

Italy's Industry Minister Corrado Passera and his wife Giovanna Salsa pose as they arrive at La Scala opera house in Milan December 7, 2011. Mozart's "Don Giovanni", conducted by director Daniel Barenboim , will open for the 2011 opera season at the La Scala opera house. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT SOCIETY POLITICS) 

Barbara Berlusconi and her boyfriend Alexander Pato pose as they arrive at La Scala opera house in Milan December 7, 2011. Mozart's "Don Giovanni", conducted by director Daniel Barenboim , will open for the 2011 opera season at the La Scala opera house. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT SOCIETY SPORT SOCCER) 

Italian Prime Minister Mario Monti and his wife Elsa arrive at La Scala opera house in Milan December 7, 2011. Mozart's "Don Giovanni", conducted by director Daniel Barenboim , will open for the 2011 opera season at the La Scala opera house. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT SOCIETY POLITICS) 

Italian Prime Minister Mario Monti and his wife Elsa arrive at La Scala opera house in Milan December 7, 2011. Mozart's "Don Giovanni", conducted by director Daniel Barenboim, will open for the 2011 opera season at the La Scala opera house. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT SOCIETY POLITICS) 

A general view is seen of La Scala opera house in Milan December 7, 2011. Mozart's "Don Giovanni", conducted by director Daniel Barenboim , will open for the 2011 opera season at the La Scala opera house. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT SOCIETY) 

A general view is seen of La Scala opera house in Milan December 7, 2011. Mozart's "Don Giovanni", conducted by director Daniel Barenboim , will open for the 2011 opera season at the La Scala opera house. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT SOCIETY) 

Carabinieri policemen stand in front of La Scala opera house in Milan December 7, 2011. Mozart's "Don Giovanni", conducted by director Daniel Barenboim , will open for the 2011 opera season at the La Scala opera house. REUTERS/Alessandro Garofalo (ITALY - Tags: ENTERTAINMENT SOCIETY) 

Berthold Beitz, chairman of the Alfried Krupp von Bohlen and Halbach Foundation, hugs Argentinian-Israeli conductor and pianist Daniel Barenboim (R) at Villa Huegel in Essen November 20, 2011. ThyssenKrupp AG, Europe's largest steel maker and industrial conglomerate, commemorates 200 years since its founding in the western German city of Essen on Sunday. REUTERS/Wolfgang Rattay (GERMANY - Tags: ANNIVERSARY ENERGY) 

Berthold Beitz, chairman of the Alfried Krupp von Bohlen and Halbach Foundation, expresses his thanks to Israeli-Argentine conductor and pianist Daniel Barenboim (R) at Villa Huegel in Essen November 20, 2011. ThyssenKrupp AG, Europe's largest steel maker and industrial conglomerate, commemorates 200 years since its founding in the western German city of Essen on Sunday. REUTERS/Wolfgang Rattay (GERMANY - Tags: ANNIVERSARY ENERGY) 

Daniel Barenboim, musical director of Milan's La Scala opera house, gestures to the audience during a performance at the Bolshoi Theatre in Moscow November 12, 2011. Musicians from La Scala performed a one-off concert on Saturday in the Russian capital's historic Bolshoi theatre, recently reopened after a 6 year closure for refurbishment. REUTERS/Sergei Karpukhin (RUSSIA - Tags: ENTERTAINMENT) 

Daniel Barenboim, musical director of Milan's La Scala opera house, gestures to the audience during a performance at the Bolshoi Theatre in Moscow November 12, 2011. Musicians from La Scala performed a one-off concert on Saturday in the Russian capital's historic Bolshoi theatre, recently reopened after a 6 year closure for refurbishment. REUTERS/Sergei Karpukhin (RUSSIA - Tags: ENTERTAINMENT) 

Daniel Barenboim, musical director of Milan's La Scala opera house, gestures during his visit to the Bolshoi Theatre in Moscow November 12, 2011. Musicians from La Scala will perform a one-off concert on Saturday in the Russian capital's historic Bolshoi theatre, recently reopened after a 6 year closure for refurbishment. REUTERS/Sergei Karpukhin (RUSSIA - Tags: ENTERTAINMENT) 

Daniel Barenboim, musical director of Milan's La Scala opera house, conducts during a rehearsal in the Bolshoi Theatre in Moscow November 12, 2011. Musicians from La Scala will perform a one-off concert on Saturday in the Russian capital's historic Bolshoi theatre, recently reopened after a 6-year closure for refurbishment. REUTERS/Sergei Karpukhin (RUSSIA - Tags: ENTERTAINMENT) 

Daniel Barenboim, musical director of Milan's La Scala opera house, gestures during his visit to the Bolshoi Theatre in Moscow November 12, 2011. Musicians from La Scala will perform a one-off concert on Saturday in the Russian capital's historic Bolshoi theatre, recently reopened after a 6-year closure for refurbishment. REUTERS/Sergei Karpukhin (RUSSIA - Tags: ENTERTAINMENT) 

Head of the German Social Democratic Party SPD Sigmar Gabriel (L) hands over the Willy-Brandt award to Israeli-Argentine conductor Daniel Barenboim in Berlin October 25, 2011. REUTERS/Tobias Schwarz (GERMANY - Tags: POLITICS ENTERTAINMENT) 

Head of the German Social Democratic Party SPD Sigmar Gabriel (L) hands over the Willy-Brandt award to Israeli-Argentine conductor Daniel Barenboim in Berlin October 25, 2011. REUTERS/Tobias Schwarz (GERMANY - Tags: POLITICS ENTERTAINMENT PROFILE) 

Israeli-Argentine conductor Daniel Barenboim delivers a speech after he was decorated with the Willy-Brandt award in Berlin October 25, 2011. At left is a sculpture of former SPD leader and German Chancellor Willy Brandt. REUTERS/Tobias Schwarz (GERMANY - Tags: POLITICS ENTERTAINMENT PROFILE) 

Israeli-Argentine conductor Daniel Barenboim delivers a speech after he was decorated with the Willy-Brandt award in Berlin October 25, 2011. At left is a sculpture of former SPD leader and German Chancellor Willy Brandt. REUTERS/Tobias Schwarz (GERMANY - Tags: POLITICS ENTERTAINMENT PROFILE TPX IMAGES OF THE DAY) 

South Korean soprano Jo Su-mi performs as Israeli-Argentine conductor Daniel Barenboim directs the West-Eastern Divan orchestra, which includes Arab and Israeli musicians, during a rehearsal before the Barenboim Peace concert wishing peace on the Korean Peninsula at Imjingak pavilion, near the demilitarized zone separating the two Koreas in Paju, about 55 km (34 miles) north of Seoul, August 15, 2011, on the day which commemorates the 66th anniversary of Korea's liberation from Japan's 1910-45 colonial rules. REUTERS/Jo Yong-Hak (SOUTH KOREA - Tags: POLITICS ENTERTAINMENT) 

Israeli-Argentine conductor Daniel Barenboim directs the West-Eastern Divan orchestra, which includes Arab and Israeli musicians, during a rehearsal before the Barenboim Peace concert wishing peace on the Korean Peninsula at Imjingak pavilion, near the demilitarized zone separating the two Koreas in Paju, about 55 km (34 miles) north of Seoul, August 15, 2011, on the day which commemorates the 66th anniversary of Korea's liberation from Japan's 1910-45 colonial rules. REUTERS/Jo Yong-Hak (SOUTH KOREA - Tags: POLITICS ENTERTAINMENT) 

Israeli-Argentine conductor Daniel Barenboim sits on a spectator seat during a rehearsal before directing the West-Eastern Divan orchestra, which includes Arab and Israeli musicians, at the Barenboim Peace concert wishing peace on the Korean Peninsula at Imjingak pavilion, near the demilitarized zone separating the two Koreas in Paju, about 55 km (34 miles) north of Seoul, August 15, 2011, on the day which commemorates the 66th anniversary of Korea's liberation from Japan's 1910-45 colonial rules. REUTERS/Jo Yong-Hak (SOUTH KOREA - Tags: POLITICS ENTERTAINMENT) 

People watch a performance as Israeli-Argentine conductor Daniel Barenboim directs the West-Eastern Divan orchestra, which includes Arab and Israeli musicians, at the Barenboim Peace concert wishing peace on the Korean Peninsula at Imjingak pavilion, near the demilitarized zone separating the two Koreas in Paju, about 55 km (34 miles) north of Seoul, August 15, 2011, on the day which commemorates the 66th anniversary of Korea's liberation from Japan's 1910-45 colonial rules. REUTERS/Jo Yong-Hak (SOUTH KOREA - Tags: POLITICS ENTERTAINMENT) 

Israeli-Argentine conductor Daniel Barenboim greets spectators after directing the West-Eastern Divan orchestra, which includes Arab and Israeli musicians, at the Barenboim Peace concert wishing peace on the Korean Peninsula at Imjingak pavilion, near the demilitarized zone separating the two Koreas in Paju, about 55 km (34 miles) north of Seoul, August 15, 2011, on the day which commemorates the 66th anniversary of Korea's liberation from Japan's 1910-45 colonial rules. REUTERS/Jo Yong-Hak (SOUTH KOREA - Tags: POLITICS ENTERTAINMENT) 

Israeli-Argentine conductor Daniel Barenboim directs the West-Eastern Divan orchestra, which includes Arab and Israeli musicians, at the Barenboim Peace concert at Imjingak pavilion, near the demilitarized zone separating the two Koreas in Paju, about 55 km (34 miles) north of Seoul, August 15, 2011, on the day which commemorates the 66th anniversary of Korea's liberation from Japan's 1910-45 colonial rules. The two Koreas are technically at war since the 1950-53 Korean conflict ended in a ceasefire and not a peace treaty. REUTERS/Jo Yong-Hak (SOUTH KOREA - Tags: POLITICS ENTERTAINMENT) 

Israeli-Argentine conductor Daniel Barenboim directs the West-Eastern Divan orchestra, which includes Arab and Israeli musicians, at the Barenboim Peace concert at Imjingak pavilion, near the demilitarized zone separating the two Koreas in Paju, about 55 km (34 miles) north of Seoul, August 15, 2011, on the day which commemorates the 66th anniversary of Korea's liberation from Japan's 1910-45 colonial rules. The two Koreas are technically at war since the 1950-53 Korean conflict ended in a ceasefire and not a peace treaty. REUTERS/Jo Yong-Hak (SOUTH KOREA - Tags: POLITICS ENTERTAINMENT) 

Israeli-Argentine conductor Daniel Barenboim directs the West-Eastern Divan orchestra, which includes Arab and Israeli musicians, at the Barenboim Peace concert at Imjingak pavilion, near the demilitarized zone separating the two Koreas in Paju, about 55 km (34 miles) north of Seoul, August 15, 2011, on the day which commemorates the 66th anniversary of Korea's liberation from Japan's 1910-45 colonial rules. The two Koreas are technically at war since the 1950-53 Korean conflict ended in a ceasefire and not a peace treaty. REUTERS/Jo Yong-Hak (SOUTH KOREA - Tags: POLITICS ENTERTAINMENT) 

Israeli-Argentine conductor Daniel Barenboim directs the West-Eastern Divan orchestra, which includes Arab and Israeli musicians, at the Barenboim Peace concert at Imjingak pavilion, near the demilitarized zone separating the two Koreas in Paju, about 55 km (34 miles) north of Seoul, August 15, 2011, on the day which commemorates the 66th anniversary of Korea's liberation from Japan's 1910-45 colonial rules. The two Koreas are technically at war since the 1950-53 Korean conflict ended in a ceasefire and not a peace treaty. REUTERS/Jo Yong-Hak (SOUTH KOREA - Tags: POLITICS ENTERTAINMENT) 

Israeli-Argentine conductor Daniel Barenboim greets spectators after directing the West-Eastern Divan orchestra, which includes Arab and Israeli musicians, at the Barenboim Peace concert at Imjingak pavilion, near the demilitarized zone separating the two Koreas in Paju, about 55 km (34 miles) north of Seoul, August 15, 2011, on the day which commemorates the 66th anniversary of Korea's liberation from Japan's 1910-45 colonial rules. REUTERS/Jo Yong-Hak (SOUTH KOREA - Tags: POLITICS ENTERTAINMENT) 

Classical musician Daniel Barenboim performs with musicians from some of Europe's top orchestras, during a concert at al-Madha centre, north of Gaza City May 3, 2011. Barenboim, a supporter of Palestinian rights, broke new ground on Tuesday when he travelled to the Gaza Strip to conduct the concert. REUTERS/Mohammed Abed/Pool (GAZA - Tags: POLITICS SOCIETY ENTERTAINMENT) 

Classical musician Daniel Barenboim conducts with musicians from some of Europe's top orchestras, during a concert at al-Madha centre, north of Gaza City May 3, 2011. Barenboim, a supporter of Palestinian rights, broke new ground on Tuesday when he travelled to the Gaza Strip to conduct the concert. REUTERS/Mohammed Abed/Pool (GAZA - Tags: POLITICS SOCIETY ENTERTAINMENT) 

Classical musician Daniel Barenboim conducts with musicians from some of Europe's top orchestras, during a concert at al-Madha centre, north of Gaza City May 3, 2011. Barenboim, a supporter of Palestinian rights, broke new ground on Tuesday when he travelled to the Gaza Strip to conduct the concert. REUTERS/Adel Hana/Pool (GAZA - Tags: POLITICS SOCIETY ENTERTAINMENT) 

Classical musician Daniel Barenboim performs with musicians from some of Europe's top orchestras, during a concert at al-Madha centre, north of Gaza City May 3, 2011. Barenboim, a supporter of Palestinian rights, broke new ground on Tuesday when he travelled to the Gaza Strip to conduct the concert. REUTERS/Mohammed Abed/Pool (GAZA - Tags: POLITICS SOCIETY ENTERTAINMENT) 

Classical musician Daniel Barenboim conducts with musicians from some of Europe's top orchestras, during a concert at al-Madha centre, north of Gaza City May 3, 2011. Barenboim, a supporter of Palestinian rights, broke new ground on Tuesday when he travelled to the Gaza Strip to conduct the concert. REUTERS/Mohammed Abed/Pool (GAZA - Tags: POLITICS SOCIETY ENTERTAINMENT) 

Classical musician Daniel Barenboim (C) performs with musicians from some of Europe's top orchestras, during a concert at al-Madha centre, north of Gaza City May 3, 2011. Barenboim, a supporter of Palestinian rights, broke new ground on Tuesday when he travelled to the Gaza Strip to conduct the concert. REUTERS/Mohammed Abed/Pool (GAZA - Tags: POLITICS SOCIETY ENTERTAINMENT) 

Classical musician Daniel Barenboim conducts with musicians from some of Europe's top orchestras during a concert at al-Madha centre, north of Gaza City May 3, 2011. Barenboim, a supporter of Palestinian rights, broke new ground on Tuesday when he travelled to the Gaza Strip to conduct the concert. REUTERS/Mohammed Abed/Pool (GAZA - Tags: SOCIETY ENTERTAINMENT POLITICS)