Rufus and Martha Wainwright have announced their annual holiday benefit concert, 'Hooray for Hollydays,' scheduled for December 6 at the Saban Theatre in Los Angeles. The event will feature notable guests including Beck, Lucy Dacus, Jordan Firstman, Jake Wesley Rogers, and the Wainwright family members such as Loudon Wainwright III and Lucy Wainwright Roche. Proceeds will support Folk Cancer: The Kate McGarrigle Project, a collaboration established by the Wainwrights with Cancer Can Rock in memory of their mother, Kate McGarrigle. Rufus expressed that the concert aims to spread love and light during challenging times, emphasizing its role as a celebration of courage, creativity, and legacy. The event promises a festive atmosphere with a lineup of talented artists and a heartfelt purpose, honoring the memory of Kate McGarrigle and supporting artists with cancer. Tickets go on pre-sale September 17, with more guest announcements expected.