The week in music: November 28 2008

Christina Aguilera waits for one of her assistants to apply roll-on deodrant during the 2008 American Music awards Photograph: Kevin Winter/Getty

Annie Lennox also performs during the 2008 American Music awards. Her party trick is to make light burst out of her piano when she sings Photograph: Frank Micelotta/Getty

The Kills' Alison Mosshart gives Jamie Hince's hair a good old ruffle during their show at the Astoria. She'll be making him a packed lunch next ... Photograph: Gaelle Beri/Retna Pictures

Sydney, Australia: Violinist and composer Andre Rieu and his orchestra perform live on stage at ANZ Stadium Photograph: Sergio Dionisio/Getty Images

Tom Farmer performing live with Empirical at the Barbican Centre during the London Jazz festival. Someone should really tell him he's holding that massive guitar the wrong way Photograph: Howard Denner/Retna Pictures

Los Angeles, California: Rihanna performs onstage during the 2008 American Music awards. This looks less like a gig, more like an 80s action movie Photograph: Kevin Winter/Getty

Lemmy of Motorhead onstage at the Apollo, Hammersmith. Now that's how you hold a guitar! Photograph: George Chin/Retna Pictures

Keane prove there's more to them than just pianos at BBC Radio 2's evening of live music at the O2 Arena. Such as a guitar, for example Photograph: Alex Maguire/BBC

Miley Cyrus performs in LA, with a set of dancers in outfits with the word 'blog' on them for a reason we still can't fathom. Fierce! Photograph: KPA/Zuma/Rex Features

Sigur Ros perform live at Alexandra Palace (with Annie Lennox providing the lighting by the looks of things) Photograph: Carsten Windhorst/Retna Pictures