A phonograph is displayed at a Museum Cafe in Phnom Penh, Cambodia, April 5, 2018. REUTERS/Samrang Pring

'Radio-Phonograph, Model no RR126' by Pier Giacomo and Achille Castiglioni, with an estimate of 800 GBP -1200 GBP is seen in front of 'Foyer' by Patrick Caulfield with an estimate 400,000 GBP - 600, 000 GB, part of British pop star David Bowie's art collection, is exhibited during a press view at Sotheby's auction house, in central London, Britain November 1, 2016. The auction house will stage a three-part sale entitled Bowie/Collector, which includes 350 works from Bowie' s private collection. REUTERS/Hannah McKay

Nana Mouskouri receives the Lifetime Achievement award during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

Nana Mouskouri receives the Lifetime Achievement award during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

Udo Lindenberg receives the Lifetime Achievement award during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

Udo Lindenberg receives the Lifetime Achievement award during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

German singer
Andreas Bourani receives the Radio-Echo award during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

Ilse and Waylon (L) DeLange of Dutch band The Common Linnets perform during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

Singer Helene Fischer (R)celebrates with the award for the Best German Music-DVD National during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. At left is Morten Harket of hte band A-Ha. REUTERS/Michael Sohn/Pool

U.S. singer Meghan Trainor (C) performs during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

U.S. singer Meghan Trainor (C) performs during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

U.S. singer Meghan Trainor (C) performs during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

Nick Mason, drummer of Pink Floyd receives the award for the band as Most Successful International Rock/Pop band during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

Singer Herbert Groenemeyer performs during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

U.S. violinist Lindsey Stirling receives the award for the Most Successful 'Crossover" Artist during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

U.S. violinist Lindsey Stirling receives the award for the Most Successful 'Crossover" Artist during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

Singer Andreas Gabalier performs during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

Singer Andreas Gabalier performs during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

Singer Andreas Gabalier performs during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

Singer Helene Fischer celebrates with the award for the Best German Language Hit 'Schlager' Album of the Year during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

Singer Andreas Gabalier receives the award as Most Successful Volkstuemlicher (folklike) Musican during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

Singer Andreas Gabalier receives the award as Most Successful Volkstuemlicher (folklike) Musican during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

Singer Ann Sophie performs during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

Singer Ann Sophie performs during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

The band Revolverheld receive the award as Best Band Rock/Pop National during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

Singer James Bay perform during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

Der Graf of the band Unheilig receives the award as Best Rock/Alternative Act National during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

The band Deichkind perform during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

The band Deichkind perform during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

Robin Schulz celebrates with the award as Best Dance Act National during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

The Common Linnets receive the award as Best Newcomer International during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

Ilse DeLange of The Common Linnets celebrates with the award as Best Newcomer International during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

The Common Linnets receive the award as Best Newcomer International during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

Singer Helene Fischer receives the award for the Album of the Year during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

Singer Helene Fischer receives the award for the Album of the Year during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

Singer Andrea Berg receives the award as Best Live Act National during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

U.S. musician Lindsey Stirling performs as candles are light to commemorate the victims of the Germanwings plane crash at the beginning of the Echo Music Awards ceremony in Berlin March 26, 2013. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

Singer Herbert Groenemeyer receives the award for Male Pop Artist National during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

Singer Oonagh celebrates with her Echo award for Female Pop National during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

Singer Oonagh celebrates with her Echo award for Female Pop National during the 2015 Echo Music Awards in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

A performes plays as candles are light to commemorate the victims of the Germanwings plane crash at the beginning of the Echo Music Awards ceremony in Berlin March 26, 2013. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Michael Sohn/Pool

German rapper Cro arrives on the red carpet for the Echo Music Awards ceremony in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Hannibal Hanschke

Morten Harket lead singer of the band A-ha arrives on the red carpet for the Echo Music Awards ceremony in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Hannibal Hanschke

Lead singer Klaus Meine (R) and members of the German rock band Scorpions pose on the red carpet for the Echo Music Awards ceremony in Berlin March 26, 2013. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Hannibal Hanschke

Mayor of Berlin Michael Mueller and his wife Claudia (L) arrive on the red carpet for the Echo Music Awards ceremony in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Hannibal Hanschke

Swiss electronic band Yello's members Dieter Meier (R) and Boris Blank joke as they arrive on the red carpet for the Echo Music Awards ceremony in Berlin March 26, 2013. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Hannibal Hanschke

The tattooed leg of Austrian singer Andreas Gabalier is pictured as he arrives on the red carpet for the Echo Music Awards ceremony in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Hannibal Hanschke

U.S. musician Lindsey Stirling arrives on the red carpet for the Echo Music Awards ceremony in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Hannibal Hanschke

U.S. musician Lindsey Stirling arrives on the red carpet for the Echo Music Awards ceremony in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Hannibal Hanschke

Travesty artist Olivia Jones arrives on the red carpet for the Echo Music Awards ceremony in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Hannibal Hanschke

Travesty artist Olivia Jones arrives on the red carpet for the Echo Music Awards ceremony in Berlin March 26, 2015. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Hannibal Hanschke

Catherine, Duchess of Cambridge looks on as Prince William, Duke of Cambridge is shown how to play on DJ decks at the youth community centre, The Northern Sound System in Elizabeth near Adelaide, April 23, 2014. Britain's Prince William and his wife Catherine are undertaking a 19-day official visit to New Zealand and Australia with their son George. REUTERS/Morne de Klerk/Pool (AUSTRALIA - Tags: ENTERTAINMENT ROYALS POLITICS TPX IMAGES OF THE DAY)

German singer Helene Fischer poses with her Echo awards for Best German language Schlager music and Album of The Year during the 2014 Echo Music Awards in Berlin March 27, 2014. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Kai Pfaffenbach (GERMANY - Tags: ENTERTAINMENT)

German singer Helene Fischer poses with her Echo awards for Best German language Schlager music and Album of The Year during the 2014 Echo Music Awards in Berlin March 27, 2014. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Kai Pfaffenbach (GERMANY - Tags: ENTERTAINMENT)

German singer Helene Fischer poses with her Echo awards for Best German language Schlager music and Album of The Year during the 2014 Echo Music Awards in Berlin March 27, 2014. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Kai Pfaffenbach (GERMANY - Tags: ENTERTAINMENT)

German singer Helene Fischer poses with her Echo awards for Best German language Schlager music and Album of The Year during the 2014 Echo Music Awards in Berlin March 27, 2014. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Kai Pfaffenbach (GERMANY - Tags: ENTERTAINMENT)

German singer Helene Fischer poses with her Echo awards for Best German language Schlager music and Album of The Year during the 2014 Echo Music Awards in Berlin March 27, 2014. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Kai Pfaffenbach (GERMANY - Tags: ENTERTAINMENT TPX IMAGES OF THE DAY)

German singer Helene Fischer poses with her Echo awards for Best German language Schlager music and Album of The Year during the 2014 Echo Music Awards in Berlin March 27, 2014. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Kai Pfaffenbach (GERMANY - Tags: ENTERTAINMENT)

German singer Helene Fischer poses with her Echo awards for Best German language Schlager music and Album of The Year during the 2014 Echo Music Awards in Berlin March 27, 2014. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Kai Pfaffenbach (GERMANY - Tags: ENTERTAINMENT)

Swiss musicians Boris Blank (L) and Dieter Meier of the group Yello pose with the Echo for their life's work during the 2014 Echo Music Awards in Berlin March 27, 2014. Established in 1992, the German Phonographic Academy honours national and international artists with the Echo German music prize. REUTERS/Kai Pfaffenbach (GERMANY - Tags: ENTERTAINMENT)