Question

1. what is the desired tone of an instrument called?

timbre
overtone
fundamental tone
acoustic

Explanation:

Timbre refers to the characteristic quality or tone color of a sound that distinguishes different types of musical instruments, voices, or other sources of sound. An overtone is a harmonic that is higher in pitch than the fundamental tone. The fundamental tone is the lowest frequency of a periodic waveform. Acoustic relates to sound or the sense of hearing in a general context, not specifically the desired tone quality of an instrument.

Answer:

timbre