Assertion: harpsichord's pitch | /r/CapableOf | range to descant falsetto b♭
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Source sentences:
text: To produce the sharp nasal sound over the middle eight, Harrison sang through a filter that limited the signal to a narrow, 3.5-kilohertz band.[nb 4] Described by Everett as "remarkable", the pitch of Harrison's vocals in the final verse ranges from a low E♭ bass note in one of the harmony parts, to a descant falsetto B♭ 4 in the high harmony part.