synthesizer. drawing

acoustic album analog art artist audio backdrop background black classic clavichord closeup concert dark digital doodle drawing drawn educational electric electronic emblem engraved entertainment forte freehand graphic harmony harpsichord icon illustration ink instrument isolated key keyboard learning light line logo melody modern music musician note object octave outline paper pen piano pianoforte pictogram picture play print row scale scribble sign silhouette sketch sketchy song sound space studio style symbol synthesizer text top toy tune vector view white