Home Events Pro-Shot Video: Lettuce Performs ‘Purple Cabbage’ Aboard Jam Cruise 15 Pro-Shot Video: Lettuce Performs ‘Purple Cabbage’ Aboard Jam Cruise 15 planetsixstring July 27, 2017 comments off Tweet on Twitter Share on Facebook Google+ Pinterest Watch Letttuce extend recent repertoire addition “Purple Cabbage” during their standout Pool Deck set aboard January’s Jam Cruise 15.