Ключевые слова: acoustic, audio, blues, bluesman, chord, chords, circular, concert, duration, flower, folk, folkie, frets, guitar, hard sound, hobby, instruments, jazz, melody, music, note, petals, picks, plastic, precision, rhythm, rhythmic, rock, rocker, scales, score, small, solfege, soloist, song, strings, stroke, strumming, thickness, tine guard, tine holder, tone, touch, triangle, tuning, ukulele, warm sound,