colorful 1960s music festival poster artwork. hippies in tie-dye outfits dance outdoors under psychedelic sky. vibrant colors,

hippies psychedelic colors hippy color 1960s tiedye poster artwork outdoor dance colorful vibrant event music art festival style party illustration summer people crowd concert groovy fashion clothing shirts outfits 70s pop rock 60s design graphic artistic summertime retro hippie fun band live group happy youth culture freedom