A mezzo-soprano is a female singer with a range usually extending from the A below middle C to the F an eleventh above middle C. Mezzo-sopranos generally have a daker vocal tone than sopranos, and their vocal range is between that of a soprano and that of an alto.
... to as "Bobby"), the youngest member of the group, played rhythm guitar. Pigpen played keyboards, harmonica and, was an inspirational vocalist until his death in 1973. ...