Mr. Knowitall Cover: Primus Mai 29, 2015 Cover, Cover Mr. Knowitall, Cover Primus, Cover Rock, Frizzle Fry, Spagetti Western, Denver School of Rock Primus vs Ween Show at Eck’s Saloon 1/11/14. Like 0 Thanks! You've already liked this « Golden Boy – Primus Bass Cover » Southbound Pachyderm – Primus (6-String Bass Cover – Ibanez SG)