Add some rock to your weekend routine Saturday night at Fat Daddy's, 2510 E. Market St., Springettsbury Township. The bar hosts a Pa. Rocks Band Bash featuring groups with Keystone State roots. The lineup includes Small Town Titans, She Said Fire, Heroes for Ransom, The Bullet Method, Maddam Ink and Darry Miller. Wash all the guitar riffs and drum hits down with half-priced sliders 7 to 10 p.m. and half-priced drinks 8:30 to 10:30 p.m. For details, call 717-755-8843 or visit www.fatdaddys.com. Read interviews with local bands at www.flipsidepa.com/musicdirectory.