Assertion: bass trombone | /r/HasProperty | equipped with trigger
Facets:
Source sentences:
text: Bass trombones are larger instruments also equipped with triggers, and they are designed to play notes on the extreme low end of the trombone range.
text: Modern bass trombones differ from the F trombone style because they have wider pipes, they are tuned to B flat, and they are equipped with triggers that tune the instrument to F or D to allow it to play lower notes.