
1) Choral instrument 2) Instrument 3) Melodic instrument 4) Musical device 5) Musical instrument 6) Music machine 7) Musical gadget 8) Musical implement 9) Musical gizmo 10) Musical apparatus 11) Musical doodad
Found on
https://www.crosswordclues.com/clue/washtub-bass

The washtub bass, or `gutbucket`, is a stringed instrument used in American folk music that uses a metal washtub as a resonator. Although it is possible for a washtub bass to have four or more strings and tuning pegs, traditional washtub basses have a single string whose pitch is adjusted by pushing or pulling on a staff or stick to change the t.....
Found on
http://en.wikipedia.org/wiki/Washtub_bass
No exact match found.