The week in music - in pictures

Lady Gaga holds reluctant baby Loissa in London after recording Chatty Man with Alan Carr Photograph: Splash News

Michael J. Fox and Joan Jett perform together on stage at the 2011 A Funny Thing Happened On The Way To Cure Parkinson's event at The Waldorf Astoria in New York City Photograph: Dimitrios Kambouris/MJF2011/WireImage

Justin Bieber strikes a pose on the observation deck of the Empire State Building Photograph: Charles Sykes/AP

A portrait of Amy Winehouse illuminated by candles in hollowed out swedes as part of the Raebechilbi light parade in Richterswil, Switzerland Photograph: Alessandro Della Bella/AP

Justin Hawkins of The Darkness at Manchester Academy Photograph: Shirlaine Forrest/WireImage

Jessie J poses backstage at Children In Need Rocks Manchester 2011 at The MEN Arena Photograph: Dave J Hogan/Getty Images

Thomas Rune Galder Andersen of Dimmu Borgir performing at The Concorde2 in Brighton Photograph: Michael Burnell/Redferns

P. Diddy pays tribute to hip-hop artist Heavy D at his funeral at the Grace Baptist Church in Mount Vernon, New York Photograph: David Karp/AP

Brandon Boyd of Incubus performing at the Hallenstadion in Zurich, Switzerland Photograph: Ennio Leanza/EPA

Elton John poses with "Doritaenopsis Sir Elton John", an orchid named in his honour, at the 20th World Orchid Conference in Singapore Photograph: Desmond Foo/AP

Rihanna performs on the US version of The X Factor's live elimination show Photograph: X Factor/Getty Images

Florence Welch of Florence And The Machine poses for a photograph in Sydney, Australia Photograph: CHRISTOPHER SAMUEL/EPA

Taylor Eigsti, Alan Hampton, Gretchen Parlato and Kendrick Scott perform on stage at Kings Place during the London Jazz Festival Photograph: Andy Sheppard/Redferns

Rapper Busta Rhymes at the launch of Google Music, Google's new online music store, in Los Angeles Photograph: Mario Anzuoni/Reuters

Jazz drummer Butch Ballard (gray suit) photographed in 2007, has died aged 92. He was one of a handful of African-American jazz musicians who performed with both the Count Basie and Duke Ellington orchestras. He also recorded with Louis Armstrong's big band and worked with a roster of top jazz stars

Read the full obituary here Photograph: Bloomberg

Jackie Leven, who has died of cancer aged 61, was a brilliant outsider, a remarkably prolific Scottish singer-songwriter who built up a devoted cult following during his lengthy, wildly varied and often turbulent career, but never achieved the level of success that he deserved

Read the full obituary here Photograph: Sean Smith