Assertion: bass's range | /r/HasProperty | a 1
Facets:
value: to b♭
type: OTHER
Source sentences:
text: The range of the E♭ bass trombone is A 1 to B♭ 4 , that of the F bass trombone is B 1 to C 5 and that of the G bass trombone is D♭ 2 , or A 1 or A♭ 1 with a D or C valve attachment (the C attachment being used expressly for playing parts written for the contrabass trombone), to D 5 .