Who Let The Dogs Out seeks to get to the very bottom of just who was it that wrote the lyrics to the song made famous by The Baha Men. Had Ben Sisto not happened upon the song’s Wikipedia page, it’s quite possible that this film doesn’t happen. It’s all because of one name: Keith. Sisto sees the lack of a last name but only notices that Keith is a hairdresser. He does what any…"SXSW 2019: Who Let The Dogs Out"