Flight of the Conchords (2007-2009)

Long before Jemaine Clement and Bret McKenzie were the daft duo in their HBO comedy, they actually were a guitar-based digi-bongo a cappella-rap-funk comedy folk in New Zealand. Granted, their TV counterparts are way dumbed-down but their professional struggles were not always far off from their onscreen challenges — Bret and Jemaine played to an audience of none in their real lives too.