Musical Instrument Families: How They Work and Sound

Classification by Sound Production (Hornbostel-Sachs)

1. Chordophones (Strings)

Vibrating strings (metal, nylon, gut). Plucked (guitar, harp, kora), bowed (violin, cello, erhu), struck (piano, hammered dulcimer, santur). Body resonates.

2. Aerophones (Wind)

Vibrating air column. Woodwinds: reed (clarinet, saxophone, oboe, bassoon, duduk) or edge-blown (flute, shakuhachi, recorder). Brass: lip-vibrated (trumpet, horn, trombone, tuba, didgeridoo). Free-reed: accordion, harmonica, sheng, bandoneon.

3. Idiophones (Self-Sounding)

Body vibrates. Struck (xylophone, marimba, glockenspiel, steel pan, gong, cymbals, triangle), shaken (maracas, sistrum), scraped (guiro, washboard), plucked (kalimba, jaw harp).

4. Membranophones (Drums)

Stretched membrane struck. Snare, bass, tom, djembe, conga, bongo, tabla, frame drum, timpani, taiko.

5. Electrophones (Electronic)

Sound generated electrically. Synthesizers (subtractive, FM, wavetable, modular), samplers, controllers (MIDI keyboards, pads), theremin (gesture-controlled), electric guitar/bass (pickup → amp).

6. Corpophones (The Body)

Clapping, stomping, beatboxing, vocal percussion — the original instrument.

Why It Matters

Each family offers unique timbres, articulations, expressive possibilities. Composers and producers orchestrate across families to create sonic worlds. Learning any instrument builds transferable musicianship.