Assertion: reed's pitch | /r/HasProperty | principal rank
Facets:
Source sentences:
text: In addition, there were flute stops of 4-foot, 2 2/ 3 -foot, and 2-foot pitch and a register called the fiffaro or voce umana (not to be confused with the French voix humaine or German vox humana, which are regals), a principal rank found only in the treble and tuned sharp so that when it is played together with the principale one hears an audible beat.