It's called the Rides and features his long-time pal Barry Goldberg and Kenny Wayne Shepherd *. They had an album last year and toured behind it.: << this review is a bit harsh, projecting what he wanted it to be instead of what it is. Description including a "making-of" vid from Mr. Stills Website:
Some tunes: << concert clip << same << and this << promo clip

BONUS: full album:
* For those unfamiliar with Kenny Wayne Shepherd, the thinking person's guitar slinger: