From Rock to Opera, the line-up covers decades and genres.
Martin James Bartlett: Winner of the 2014 BBC Young Musician of the Year competition
Pharrell Williams: American singer/producer and had huge success with feel-good track Happy.
Emeli Sande: Scottish singer/songwriter, winner of the 2013 Brit award for both Best Female Solo
One of the best known British artists of all time. Sir Elton John’s career has spanned four decades
Lorde: Teenage sensation from New Zealand, known for hit track Royal from her album Pure Heroine.
Chris Martin: Frontman of band Coldplay, one of the most successful UK groups of the past 20 years
Brian Wilson: American member of the Beach Boys, who recorded the original version of God Only Knows
Florence Welch: Frontwoman of British indie band Florence + the Machine.
Kylie Minogue: Australian singer who recently performed at the closing ceremony for the 2014 Glasgow
Stevie Wonder: American Motown legend, famous for hits incl Superstitious, Signed, I Just Called
Eliza Carthy: English folk musician, who recently released double album Wayward Daughter.
Nicola Benedetti: Scottish classical music star best known for her violin skills. She is an MBE.
Jools Holland: English pianist, former member of Squeeze, boogie-woogie enthusiast and presenter.
Brian May: Queen guitarist and, more recently, campaigner against badger culls in England
Jake Bugg: English singer/songwriter, whose self-titled debut album reached the top of the charts.
Katie Derham: BBC Proms presenter, who recently rediscovered her passion for playing the violin.
Lauren Laverne: Despite being a former singer in teen band Kenickie, she does not sing in the video
Gareth Malone: English choirmaster and broadcaster best known for BBC Two’s The Choir.
Alison Balsom: Award winning English trumpeter. Has won the female artist of the year Classic Award.
One Direction: One of the most successful British boy bands of all time, emerged from The X Factor.
Zane Lowe: The second of the BBC DJs to feature in the video is New Zealander Lowe.
Jaz Dhami: Birmingham-based Bhangra artist who originally trained in Indian classical music
Paloma Faith: English singer and actress currently on a career high.
Chrissie Hynde: US singer who reached number one with her own band the Pretenders on Brass in Pocket
Jamie Cullum: English jazz and pop singer and pianist – and presenter of a popular jazz-based show.
Baaba Maal: Senegalese singer and Oxfam ambassador, recently took part in the Africa Express project
Danielle de Niese: Australian opera singer, based in the US. She won a talent show aged nine.
Dave Grohl: Foo Fighters frontman and former drummer in cult rock band Nirvana.
Sam Smith: British singer/songwriter who has already sung on three number one singles.
Some of the biggest names in music have united to record a cover of the Beach Boys track God Only Knows for the BBC’s new music initiative, BBC Music.
These are the stars who feature in the video, here they are in the order they appear: