Bob Dylan's early lyrics may have incorporated politics, social commentary, philosophy and literary influences, but his latest verbiage is going to be selling some Cadillacs. Or at least it'll be used to sell some XM-equipped Cadillacs. There's three new Modernista!-made Dylan Does Caddilac commercials that've been…

Mister narrator, this is Bob Dylan to me! (We're trying to turn this into a meme. Please help.) Um, er, actually, it really is Bob Dylan, and he's playing narrator to a block of songs about cars on his XM radio show, Theme Time Radio Hour. Tracks include Parliament's "My Automobile" and Joni Mitchell's "Car on a Hill,"…