what do we call the quality and strength of a musical sound?\ntone\nvowel\na capella\ndynamic

what do we call the quality and strength of a musical sound?\ntone\nvowel\na capella\ndynamic
Answer
Brief Explanations:
Tone refers to the quality and strength of a musical sound. A vowel is a speech - sound, not related to musical sound quality/strength. A Capella is a style of vocal music without instrumental accompaniment. Dynamic in music mainly refers to volume changes rather than the overall quality and strength in the sense described in the question.
Answer:
A. Tone