lively music festival at sunset by lake. hippies in tie-dye dance joyfully. psychedelic sky. 1960s style poster artwork. outdoor

1960s style poster artwork music festival hippies tiedye dance psychedelic sunset lake mountain summer outdoor event colorful vibrant party art people clothes vibes fun lakefront happy colourful clothing good vintage hippie culture peace love concert atmosphere tie dye 70s scene nature landscape illustration design graphic artistic