Final answer:
Timbre is the unique quality or characteristic of a sound, often described as 'tone color'. It distinguishes one instrument or voice from another.
Step-by-step explanation:
Timbre is a term often used in music to refer to the unique quality or characteristic of a sound. It is sometimes described as the 'tone color' of a sound because it distinguishes one instrument or voice from another. For example, the timbre of a violin is different from the timbre of a trumpet, even when they are playing the same note. Timbre can be influenced by factors such as the shape of the instrument, the materials it is made of, and the way it is played.
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