Video: SING ME THE SONGS THAT SAY I LOVE YOU director LIAN LUNSON @Sundance London interview Jan Gilbert

A year ago, Martha and Rufus Wainwright played tearful on-stage hosts to friends and family gathered at NY's Town Hall to pay tribute to their mother Kate McGarrigle, the beloved Canadian singer and songwriter who died of cancer in 2010. At the reguest of Rufus, the moving and emotional celebration was captured on film with Sing Me The Songs That Say I Love You: A Concert For Kate McGarrigle a new documentary by Lian Lunson (Leonard Cohen: I'm Your Man) recently screened at the Sundance London film festival. [...]