Snoop Dogg (aka Calvin Broadus ) joins Jo in the first of three shows featuring big-name co-presenters.
With a session from Biffy Clyro.
Mike Davies airs new punk, with a session from Bleeding Through and guest Lars Frederiksen.
Huw Stephens showcases new acts, with a set from Stuffy and the Fuses.
New and old rock.
Music, chat and a quiz.