Los Angeles Premiere The Wainwright-McGarrigle extended family of musicians are legendary contributors to the music scene across generations and national borders. The familys enduring Holiday concert tradition, initiated by the late Kate McGarrigle and now spearheaded by her children, indie-music sensations Martha and Rufus Wainwright. Two not-so-silent nights in Royce Hall will feature a bevy of to-be-announced special guests performing alongside Rufus, Martha and the McGarrigle-Wainwright clan, as well as a fundraiser benefitting Sarcoma research.