This 1's 4 Levi . . .

According to the Aquarium Drunkard, both Johnny Cash and Bob Dylan are "poets/musicians."

Mffmmffmmmm . . . Mmm . . . For the rest of us, this truly provides listeners with a veritable wealth of free MP3s recorded forty years ago. (Hat Tip, Dan Colman [via BoingBoing].)
p.s. This public-service announcement comes to you in order to provide you with further proof for the unprovable :)