I am crying because I can't go!!!! (Work and my own choir!) But here is what looks like a really excellent event if you are in London at the end of April: Martha and Rufus sing at the Sundance London Festival at the o2 at the Premiere of the film: Sing me the songs that say I love you: A concert for Kate McGarrigle. Click here for the link. Screening and then Concert between 2:45 and 5:45pm I think it is. Tickets go on sale tomorrow, Wednesday 21st March