retro grunge musical instrument. vintage guitar on belt with keyboard, retrowave synthesizer with fretboard, funky

keytar keyboard synthesizer 80s 90s music musical instrument vintage retro 1980 1980s 1990 aesthetics art belt bright cartoon clipart culture decoration design eighties electric element equipment esthetics flat fretboard funky graphic grunge guitar illustration isolated melody modern nineties nostalgia old record retrowave sound style synth technology vibe vector