Members of the London Symphony Orchestra perform during an outdoor classic concert in Hanoi, Vietnam October 5, 2018. REUTERS/Kham

Members of the London Symphony Orchestra perform during an outdoor classic concert in Hanoi, Vietnam October 5, 2018. REUTERS/Kham

Members of the London Symphony Orchestra perform during an outdoor classic concert in Hanoi, Vietnam October 5, 2018. REUTERS/Kham

Violinist Carmine Laurie, the Orchestra's leader of the London Symphony Orchestra performs during an outdoor classic concert in Hanoi, Vietnam October 5, 2018. REUTERS/Kham

The BBC Symphony Orchestra performs at the last night of the BBC Proms festival of classical music at the Royal Albert Hall in London, Britain September 12, 2015. REUTERS/Neil Hall

The BBC Symphony Orchestra performs at the last night of the BBC Proms festival of classical music at the Royal Albert Hall in London, Britain September 12, 2015. REUTERS/Neil Hall

The BBC Symphony Orchestra performs at the last night of the BBC Proms festival of classical music at the Royal Albert Hall in London, Britain September 12, 2015. REUTERS/Neil Hall

The BBC Symphony Orchestra performs at the last night of the BBC Proms festival of classical music at the Royal Albert Hall in London, Britain September 12, 2015. REUTERS/Neil Hall

Concert goers watch a free performance by the London Symphony Orchestra, accompanied by solo violinist Nicola Benedetti at Trafalgar Square in London May 17, 2015. REUTERS/Toby Melville

Concert goers watch a free performance by the London Symphony Orchestra, accompanied by solo violinist Nicola Benedetti, at Trafalgar Square in London May 17, 2015. REUTERS/Toby Melville

Concert goers watch a free performance by the London Symphony Orchestra, accompanied by solo violinist Nicola Benedetti at Trafalgar Square in London May 17, 2015. REUTERS/Toby Melville

Concert goers watch a free performance by the London Symphony Orchestra, accompanied by solo violinist Nicola Benedetti at Trafalgar Square in London May 17, 2015. REUTERS/Toby Melville

Britain's Queen Elizabeth walks with chairman and violinist Lennox Mackenzie of the London Symphony Orchestra after the presentation of the Queen's Medal for Music at the Barbican Centre in London December 5, 2012. REUTERS/Luke MacGregor (BRITAIN - Tags: ROYALS ENTERTAINMENT)

Britain's Queen Elizabeth stands with Managing Director of the Barbican Nicholas Kenyon and Managing Director of the London Symphony Orchestra Catherine McGuiness (L) during the Queen's Medal for Music presentation and concert at the Barbican Centre in London December 5, 2012. REUTERS/Luke MacGregor (BRITAIN - Tags: ROYALS ENTERTAINMENT)

The London Symphony Orchestra performs during the opening ceremony of the London 2012 Olympic Games at the Olympic Stadium July 27, 2012. REUTERS/Mike Blake (BRITAIN - Tags: SPORT OLYMPICS)

The London Symphony Orchestra play at a concert to honour Mikhail Gorbachev at the Royal Albert Hall in London March 30, 2011. Movie stars, singers and politicians turned out on Wednesday for a gala concert in London to honour former Soviet President Gorbachev, who celebrated his 80th birthday earlier this month. REUTERS/Toby Melville (BRITAIN - Tags: ENTERTAINMENT POLITICS SOCIETY)

Britain's Queen Elizabeth presents the Queen's Medal for Music to conductor Colin Davis at Mansion House, in London December 8, 2009. The Queen visited Mansion House to listen to a performance by the London Symphony Orchestra. REUTERS/Chris Jackson/Pool (BRITAIN - Tags: ENTERTAINMENT SOCIETY ROYALS)

Britain's Queen Elizabeth smiles as she attends a reception at Mansion House, in London December 8, 2009. The Queen visited Mansion House to listen to a performance by the London Symphony Orchestra. REUTERS/Chris Jackson/Pool (BRITAIN - Tags: ENTERTAINMENT SOCIETY ROYALS)

Britain's Queen Elizabeth smiles as she attends a reception at Mansion House, in London December 8, 2009. The Queen visited Mansion House to listen to a performance by the London Symphony Orchestra. REUTERS/Chris Jackson/Pool (BRITAIN - Tags: ENTERTAINMENT SOCIETY ROYALS)

Britain's Queen Elizabeth is greeted by conductor Colin Davis as she arrives at Mansion House, in London December 8, 2009. The Queen visited Mansion House to listen to a performance by the London Symphony Orchestra. REUTERS/Chris Jackson/Pool (BRITAIN - Tags: ENTERTAINMENT SOCIETY ROYALS)

Britain's Queen Elizabeth presents the Queen's Medal for Music to conductor Colin Davis at Mansion House, in London December 8, 2009. The Queen visited Mansion House to listen to a performance by the London Symphony Orchestra. REUTERS/Chris Jackson/Pool (BRITAIN - Tags: ENTERTAINMENT SOCIETY ROYALS)

Britian's Queen Elizabeth speaks with U.S. Secretary of State Condoleezza Rice before a private musical concert with members of the London Symphony Orchestra at Buckingham Palace in London December 1, 2008. REUTERS/John Stillwell/Pool (BRITAIN)

Britian's Queen Elizabeth speaks with U.S. Secretary of State Condoleezza Rice (C) after a private musical concert with members of the London Symphony Orchestra at Buckingham Palace in London December 1, 2008. REUTERS/John Stillwell/Pool (BRITAIN)

A new stereo system 'Model D' by Steinway Lyngdorf is presented in London November 7, 2007. Steinway Lyngdorf's extravagant Model D sound system promises to deliver an outstanding reproduction of music akin to a live symphony orchestra in any space you place it for a mere $157,500 installed. Lyngdorf unveiled the system, which includes specially engineered speakers coated in Steinway's trademark black lacquer, to journalists and potential buyers gathered in London late on Wednesday evening. Picture taken November 7, 2007. REUTERS/Alessia Pierdomenico (BRITAIN)

The new stereo system 'Model D' by Steinway Lyngdorf is presented in London November 7, 2007. Steinway Lyngdorf's extravagant Model D sound system promises to deliver an outstanding reproduction of music akin to a live symphony orchestra in any space you place it for a mere $157,500 installed. Lyngdorf unveiled the system, which includes specially engineered speakers coated in Steinway's trademark black lacquer, to journalists and potential buyers gathered in London late on Wednesday evening. Picture taken November 7, 2007. REUTERS/Alessia Pierdomenico (BRITAIN)

The new stereo system 'Model D' by Steinway Lyngdorf is presented in London November 7, 2007. Steinway Lyngdorf's extravagant Model D sound system promises to deliver an outstanding reproduction of music akin to a live symphony orchestra in any space you place it for a mere $157,500 installed. Lyngdorf unveiled the system, which includes specially engineered speakers coated in Steinway's trademark black lacquer, to journalists and potential buyers gathered in London late on Wednesday evening. Picture taken November 7, 2007. REUTERS/Alessia Pierdomenico (BRITAIN)

The new stereo system 'Model D' by Steinway Lyngdorf is presented in London November 7, 2007. Steinway Lyngdorf's extravagant Model D sound system promises to deliver an outstanding reproduction of music akin to a live symphony orchestra in any space you place it for a mere $157,500 installed. Lyngdorf unveiled the system, which includes specially engineered speakers coated in Steinway's trademark black lacquer, to journalists and potential buyers gathered in London late on Wednesday evening. Picture taken November 7, 2007. REUTERS/Alessia Pierdomenico (BRITAIN)

The new stereo system 'Model D' by Steinway Lyngdorf is presented in London November 7, 2007. Steinway Lyngdorf's extravagant Model D sound system promises to deliver an outstanding reproduction of music akin to a live symphony orchestra in any space you place it for a mere $157,500 installed. Lyngdorf unveiled the system, which includes specially engineered speakers coated in Steinway's trademark black lacquer, to journalists and potential buyers gathered in London late on Wednesday evening. Picture taken November 7, 2007. REUTERS/Alessia Pierdomenico (BRITAIN)

The new stereo system 'Model D' by Steinway Lyngdorf is presented in London November 7, 2007. Steinway Lyngdorf's extravagant Model D sound system promises to deliver an outstanding reproduction of music akin to a live symphony orchestra in any space you place it for a mere $157,500 installed. Lyngdorf unveiled the system, which includes specially engineered speakers coated in Steinway's trademark black lacquer, to journalists and potential buyers gathered in London late on Wednesday evening. Picture taken November 7, 2007. REUTERS/Alessia Pierdomenico (BRITAIN)

The new stereo system 'Model D' by Steinway Lyngdorf is presented in London November 7, 2007. Steinway Lyngdorf's extravagant Model D sound system promises to deliver an outstanding reproduction of music akin to a live symphony orchestra in any space you place it for a mere $157,500 installed. Lyngdorf unveiled the system, which includes specially engineered speakers coated in Steinway's trademark black lacquer, to journalists and potential buyers gathered in London late on Wednesday evening. Picture taken November 7, 2007. REUTERS/Alessia Pierdomenico (BRITAIN)

High spec Danish developer Peter Lyngdorf poses beside the new stereo system 'Model D' by piano maker Steinway Lyngdorf in London November 7, 2007. Steinway Lyngdorf's extravagant Model D sound system promises to deliver an outstanding reproduction of music akin to a live symphony orchestra in any space you place it for a mere $157,500 installed. Lyngdorf unveiled the system, which includes specially engineered speakers coated in Steinway's trademark black lacquer, to journalists and potential buyers gathered in London late on Wednesday evening. REUTERS/Alessia Pierdomenico (BRITAIN)

A new stereo system 'Model D' by Steinway Lyngdorf is presented in London November 7, 2007. Steinway Lyngdorf's extravagant Model D sound system promises to deliver an outstanding reproduction of music akin to a live symphony orchestra in any space you place it for a mere $157,500 installed. Lyngdorf unveiled the system, which includes specially engineered speakers coated in Steinway's trademark black lacquer, to journalists and potential buyers gathered in London late on Wednesday evening. Picture taken November 7, 2007. REUTERS/Alessia Pierdomenico (BRITAIN)

A new stereo system 'Model D' by Steinway Lyngdorf is presented in London November 7, 2007. Steinway Lyngdorf's extravagant Model D sound system promises to deliver an outstanding reproduction of music akin to a live symphony orchestra in any space you place it for a mere $157,500 installed. Lyngdorf unveiled the system, which includes specially engineered speakers coated in Steinway's trademark black lacquer, to journalists and potential buyers gathered in London late on Wednesday evening. Picture taken November 7, 2007. REUTERS/Alessia Pierdomenico (BRITAIN)

Russian conductor and cellist Mstislav Rostropovich during a rehearsal with the London Symphony Orchestra at the Barbican Centre in London on November 15, 1988. Rostropovich, who is in London for a series of concerts, beginning November 15 and continuing until December 15, will conduct works by composers including fellow Russian Dmitri Shostakovich. REUTERS/Gareth Watkins

Chinese pianist Lang Lang speaks backstage during an interview after his performance with the London Symphony Orchestra in Hong Kong April 26, 2007. REUTERS/Bobby Yip (CHINA)

Chinese pianist Lang Lang drinks water melon juice backstage during an interview after his performance with the London Symphony Orchestra in Hong Kong April 26, 2007. REUTERS/Bobby Yip (CHINA)

Chinese pianist Lang Lang speaks backstage during an interview after his performance with the London Symphony Orchestra in Hong Kong April 26, 2007. REUTERS/Bobby Yip (CHINA)

Chinese pianist Lang Lang poses backstage during an interview after his performance with the London Symphony Orchestra in Hong Kong April 26, 2007. REUTERS/Bobby Yip (CHINA)

Chinese pianist Lang Lang speaks at the backstage during an interview after his performance with the London Symphony Orchestra in Hong Kong April 26, 2007. Lang said he would use Hong Kong as his base in Asia. REUTERS/Bobby Yip (CHINA)

Valery Gergiev of Russia conducts the London Symphony Orchestra during rehearsals of Prokofiev's symphonies at the Barbican in London, April 29, 2004. Gergiev, Artistic Director of the Kirov Opera and the Mariinsky Theatre in St Petersburg, appears during a week long series of concerts to celebrate the London Symphony Orchestra's centenary year. REUTERS/Helen Atkinson HMA/JD/THI

Valery Gergiev of Russia conducts the London Symphony Orchestra during rehearsals of Prokofiev's symphonies at the Barbican in London, April 29, 2004. Gergiev, Artistic Director of the Kirov Opera and the Mariinsky Theatre in St Petersburg, appears during a week long series of concerts to celebrate the London Symphony Orchestra's centenary year. REUTERS/Helen Atkinson HMA/JD/THI

Members of the newly-formed orchestra Lukavice play music from " Haydn Seek" August 11 on the 311 stairs of Monument, the column built to commemorate the 1666 Great Fire of London. To launch the orchestra Haydn's 6th,7th and 8th symphonies were played in different locations in London reflecting morning, noon and night.

RUS/AA

Paul McCartney poses for photographers in the Royal Albert Hall, before the World Premiere of 'Standing Stone', October 14. 'Standing Stone' is his first symphonic work and will be performed by the London Symphony Orchestra tonight.

Paul McCartney poses for photographers in the Royal Albert Hall, before the World Premiere of 'Standing Stone', October 14. 'Standing Stone' is his first symphonic work and will be performed by the London Symphony Orchestra tonight.

BRITAIN