Question

A metronome is a tool that musicians use to..
-decorate yards in large cities
-hold the guitar while standing
-keep a steady beat during practice
-replace guitar strings

Answer 1

Answer:

Metronomes are used to keep a beat

Explanation:

Metronomes are a tool used as a beat-maker, they tic every second/other second or when it is set.

Answer 2

keeping a steady beat/ tempo