Blow your horn. FANTASTIC Browsing What: Two days of indie craft goodness, tasty treats, and local music at the Art Star Craft Bazaar. Why: Your tchotchke collection looks a bit sparse. When: Sat. & Sun., 11 a.m.-6 p.m. Where: Penn’s Landing Great Plaza, S. Columbus Blvd., b/t Chestnut & Walnut Sts. DANCE Sunday at The Sound Fountain What: Booty shaking and good vibes are guaranteed with an afternoon of house music and minimal techno under the sun in P’yunk. Why: Midday is the new nighttime and cover charges are lame. When: Sun., 1-6 p.m. Where: The Fountain at Tasker St. & E. Passyunk Ave. GAZE Pathways to Unknown Worlds What: A way-out-there artistic menagerie produced by and about legendary jazz pioneer and mystic philosopher Sun Ra. Why: It’ll blow your mind, man. When: Wed.-Fri., noon-8 p.m.; Sat. & Sun., 11 a.m.-5 p.m. Where: Institute of Contemporary Art, 118 S. 36th St. (215-898-7108). GAWK The US Air Guitar Championships What: There’s a strong possibility that the competitors are not actual musicians. But who cares? This is the kind of thing you have to see to believe. Why: You just wanna rock. When: Sat., 9 p.m. Where: The Khyber, 56 S. Second St. (215-238-5888).