Assertion: trombone's note | /r/HasProperty | the f one octave
Facets:
value: below the f
type: OTHER
value: under the bass clef
type: LOCATION
Source sentences:
text: If a bass trombone is being played, the lowest note would be the F one octave below the F under the bass clef stave, and the highest note would be the F which is the bottom space of the treble clef.