He didn't actually know any songs or how to play an instrument and, in fact, just threw cantaloupes at the audience during his concerts, but he was able to hide this ignorance by telling people that he was just "jamming out."
Madness string 45764
Just literally cant or dont. Might help you out. Be careful while you literally cannot however. Too much cant or dont evens can literally kill you if you literally cannot even dont or cant.