MrKnowitall by Mr. Knowitall Primus Cover Band Mai 29, 2015 Cover, Cover Mr. Knowitall, Cover Primus, Cover Rock, Frizzle Fry, Spagetti Western, Jason Froberg, Jason Constantine and Paul DiSibio. Like 0 Thanks! You've already liked this « Primus-Too many puppies(Drum Cover) » Primus Jam with Les Claypool iPad Drum cover 23