Had the pleasure of stumbling upon this live the other night -- Mavis Staples and Jeff Tweedy play their cover of Creedence's "Wrote a Song For Everyone" that's on Mavis' excellent new album You Are Not Alone, out now on Anti. Pick it up if you don't have it. Happy Friday ya bastards. See after the jump for a bonus Friday vid -- if THAT doesn't make you happy, you have no soul. "Beautiful..."