The week in music - in pictures

Wayne Coyne of The Flaming Lips performs as part of the 2012 Noise Pop festival 20th anniversary at Bimbo's 365 club in San Francisco, California Photograph: Tim Mosenfelder/Getty Images Matthew Murphy of The Wombats performs at Brixton Academy in London, England Photograph: Nick Pickles/WireImage A detail from the exhibition On Blood: A Portrait of the Artist by Pete Doherty at the Cob gallery in London. It is open to the public from 26 February to 12 March Photograph: Ray Tang/Rex Features Blues legend BB King performs with an all-star cast in front of the Obamas at the White House in Washington. As part of the In Perfomance series, music legends and major contemporary artists have been invited to perform at the White House for a celebration of blues music and in recognition of Black History Month Photograph: Win Mcnamee/EPA Photograph: Win Mcnamee/EPA/EPA Thrash titans Megadeth have put together another epic instalment of their Gigantour this year, which features Motörhead, Volbeat (featuring Mercyful Fate axman Hank Shermann handling six-string duties) and Lacuna Coil. Here Dave Mustaine of Megadeth rocks at the San Jose state event centre in California Photograph: Tim Mosenfelder/Getty Images The Charlatans' Tim Burgess has inspired a new breakfast cereal, Totes Amazeballs. It came about after Burgess jokingly tweeted about wanting to invent a new super cereal. Kellogg's saw the tweet and got in touch with Tim to help produce a one-off cereal which contains Kellogg's Coco Pops Rocks, marshmallows, shortbread pieces and raisins. There are plans to sell the cereal at some festivals this year, with the proceeds going to charity Photograph: Kellogg's Elen Tonra of Daughter performs at HMV Ritz in Manchester, England Photograph: Andrew Benge/Redferns Children play their cellos in a Lima schoolyard as part of a social transformation programme promoting music in Peru. Open to anyone with musical interests between eight and 16 years, the system promotes the creation of areas where professionals provide free choir, string, wind and percussion instruments lessons Photograph: Cris Bouroncle/AFP/Getty Images Morrissey performs during the International Song festival in Vina del Mar City, Chile Photograph: Eliseo Fernandez/Reuters Pip Brown of Ladyhawke performs a free in-store gig at Rough Trade, east London Photograph: Gus Stewart/Redferns Adele shows her annoyance at having her acceptance speech for the best British album of the year award cut short by James Corden so that Blur could play for the TV audience Photograph: Brian Rasic/Rex Features Elvis Costello backstage during Howlin For Hubert, a concert for the Jazz Foundation of America at the Apollo theatre in New York Photograph: Kevin Mazur/WireImage Rihanna leaves a Brit awards after-party at Mahiki nightclub in the early hours sporting a neon dress and a peculiar mark on her neck which led to a great deal of internet speculation. The following day she was pictured wearing a polo neck sweater Photograph: Mark Milan/FilmMagic Gabriela Quintero and Rodrigo Sanchez of Rodrigo Y Gabriela perform at Brixton Academy in London Photograph: Caitlin Mogridge/Redferns via Getty Images Susan Boyle flips pancakes at St Augustine's high school in Edinburgh during the launch of the Scottish Catholic International Aid Fund's 'Wee Box, Big Change' fundraising campaign Photograph: Danny Lawson/PA Hayley Mary of The Jezabels performs at KOKO in London Photograph: Annabel Staff/Redferns