Velvet Revolver and Friends Pay Tribute to John O’Brien

Slash performs with Velvet Revolver during ‘Love You Madly' A Concert for John O’Brien at House of Blues Los Angeles on Thursday, January 12th, 2012.

Stephen Stills onstage during ‘Love You Madly' A Concert for John O’Brien at House of Blues Los Angeles on Thursday, January 12th, 2012.

Scott Weiland performs with Velvet Revolver during ‘Love You Madly' A Concert for John O’Brien at House of Blues Los Angeles on Thursday, January 12th, 2012.

Katey Sagal of Sons of Anarchy performs with The Forest Rangers and Curtis Stiegers during ‘Love You Madly' A Concert for John O’Brien at House of Blues Los Angeles on Thursday, January 12th, 2012.

Sheryl Crow performs during ‘Love You Madly' A Concert for John O’Brien at House of Blues Los Angeles on Thursday, January 12th, 2012.

Chantal Kreviazuk plays during ‘Love You Madly' A Concert for John O’Brien at House of Blues Los Angeles on Thursday, January 12th, 2012.

Maroon 5 plays during ‘Love You Madly' A Concert for John O’Brien at House of Blues Los Angeles on Thursday, January 12th, 2012.

Tom Morello on guitar during ‘Love You Madly' A Concert for John O’Brien at House of Blues Los Angeles on Thursday, January 12th, 2012.

Scott Weiland releases the megaphone during ‘Love You Madly' A Concert for John O’Brien at House of Blues Los Angeles on Thursday, January 12th, 2012.

Velvet Revolver perform during ‘Love You Madly' A Concert for John O’Brien at House of Blues Los Angeles on Thursday, January 12th, 2012.