Ключевые слова: acoustic, aerophone, african american, bass, bluegrass, blues, bluesy, chicago, chromatic, classical, clef, composition, country, delta, diatonic, drums, equipment, feeling, feelings, folk, french harp, guitar, harmonica, harp, instrument, jazz, lessons, melodica, melody, metal, mississippi, mouth, mouth organ, music, music instrument, music studio, musical, musical note, musician, object, recording, rock, scale, song, sound, spirituals, technology, tremolo, wind,