Violin

The violin is a four-stringed instrument played with a bow. It is the smallest and highest-pitched member of the string family and is used in a wide range of music from classical to contemporary.
Cello

The cello is a large, four-stringed instrument played upright between the knees. It produces a deep, warm sound and serves both melodic and harmonic roles in a wide range of music.
Viola

The viola is a four-stringed instrument slightly larger than the violin, with a deeper tone. It is a key member of the string family, often providing harmony and inner voices in ensembles.
Piano

The piano is a large, keyboard instrument with 88 keys. It produces sound by hammers striking strings and can create a wide range of dynamics and tones. The piano is used for both solo and ensemble music, serving melodic, harmonic, and rhythmic roles.
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