SOURMASH Returns to Peter B's in Sarver. The Baddest Biker Band on the Planet performs their own brand of whiskey fueled rock n roll at The Big Red Barn. March 23. 9PM. The music of SOURMASH is distributed world-wide and can be heard in the US on Sirius XM Radio; in all AMI and Touch Tunes jukeboxes; and streaming from all major services. Purchase discounted tickets for the event right here.