Please explain the similarities between a violin, viola, cello, and a bass. Thank you!

All of these are stringed instruments!

Violas, cellos, and violins are tuned in 5ths, while a bass is tuned in 4ths.

The positions of a viola and a violin are placed underneath the chin, while you play a bass and cello can both be played sitting down, using the pin to balance them both.

All of them have metal strings in common, as well.

Explanation:

I hope this has helped! :)

( helped out by HarmonyAnn )

i believe their role is to instruct certain sections on when they are to join and when they are to stop