BBC Music video: The full cast of stars - in pictures

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.

From Rock to Opera, the line-up covers decades and genres.

If you're having trouble spotting all of the stars who feature in the video, here they are in the order they appear:

Martin James Bartlett: Winner of the 2014 BBC Young Musician of the Year competition.

Pharrell Williams: American singer/producer and one of the busiest men in music who recently had huge success with feel-good track Happy.

Emeli Sande: Scottish singer/songwriter and winner of the 2013 Brit award for both Best Female Solo Aritst and British Album of the Year.

Elton John: One of the best known British artists of all time. Sir Elton's career has spanned four decades and included dozens of hit singles.

Lorde: Teenage sensation from New Zealand, best known for hit track Royal from her debut album Pure Heroine.

Chris Martin: Frontman of band Coldplay, one of the most successful UK groups of the past 20 years.

Brian Wilson: American and 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 Commonwealth Games.

Stevie Wonder: American Motown legend, famous for hits including Superstition, Signed Sealed Delivered, and I Just Called to Say I Love You.

Eliza Carthy: English folk musician, who recently released double album Wayward Daughter to mark her 21 years in the business.

Nicola Benedetti: Scottish classical music star best known for her violin skills. The 27-year-old from West Kilbride was made an MBE last year.

Jools Holland: English pianist, former member of Squeeze, boogie-woogie enthusiast and presenter of Later... with Jools Holland on BBC Two.

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 in 2012.

Katie Derham: BBC Proms presenter, who recently rediscovered her passion for playing the violin herself.

Lauren Laverne: Despite being a former singer in teen band Kenickie, the BBC Radio 6 Music DJ does not sing in her brief appearance in the video.

Gareth Malone: English choirmaster and broadcaster best known for BBC Two's The Choir and helping the Military Wives choir towards a Christmas number one.

Alison Balsom: Award-winning English trumpeter. She is a former winner of the female artist of the year award at the Classic Brit Awards.

One Direction: One of the most successful British boy bands of all time, Louis Tomlinson, Zayn Malik, Liam Payne, Niall Horan and Harry Styles emerged from The X Factor to become superstars across the globe.

Zane Lowe: The second of the BBC DJs to feature in the video is New Zealander Lowe who presents the evening show championing new bands on BBC Radio 1.

Jaz Dhami: Birmingham-based Bhangra artist who originally trained in Indian classical music.

Paloma Faith: English singer and actress currently on a career high after notching up her first number one single with Changing, her collaboration with bass duo Sigma

Chrissie Hynde: American singer who reached number one with her own band the Pretenders on Brass in Pocket in 1980 and then with UB40 on I Got You Babe in 1985.

Jamie Cullum: English jazz and pop singer and pianist - and presenter of a popular jazz-based show on BBC Radio 2.

Baaba Maal: Senegalese singer and Oxfam ambassador who recently took part in the Africa Express project with concerts in major UK cities and pop-up shows in schools, factories and railway stations.

Danielle de Niese: Australian opera singer, based in the US. She won a talent show aged nine singing a medley of Whitney Houston songs and her prize was a Yamaha baby grand piano, which she still owns.

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, having been tipped by the BBC as the Sound of 2014 at the start of the year.