Assertion: bass voice | /r/CapableOf | shift into head voice
Facets:
value: above middle c
type: OTHER
Source sentences:
text: The Bass voice would probably transition from chest voice to middle voice somewhere around the A or A flat note just below the middle C (A3 or A Flat 3), and then shift into head voice somewhere around the D Flat note just above middle C (D Flat 4).