60s and 70s retro music party flyer template. ad poster for nostalgic festival in 1960s and 1970s style

retro music flyer poster party template ad design card placard 1960 1960s 1970s 60s 70s advertisement advertising backdrop background banner cartoon colored drawn event fest festival flat flier graphic illustration invitation jukebox musical nostalgia nostalgic old oldschool promo promotion seventies sixties style vector vertical vintage vinyl club