They don’t come more to the left than Fogerty.
I totally and completely separate politics from favored musicians... or I would have almost nothing left to listen to. Actually, as a fan of Clapton, Richards, and Joplin it seems most of my faves are not only unabashed Leftists, but junkies too lol
The exception might be the really obnoxious anti-Bush musicians of 2004... whom Alice Cooper called “treasonous morons”... I found what they were saying pretty close to that