# MUSIC HELPPP!!!!!!!!!!!!!!!!!!!!!!

A blank is a mechanical or electronic device used to keep a steady tempo

a- metronome
b- crescendo
c- ritardando
d- bar line

1. I think the answer is A) Metronome.

posted by Elsa tony
2. Yes, A.

posted by Writeacher
3. Definitely A. The Metronome.

posted by Mr. W Smith

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