The Pittsburghers is a
Barbershop quartet
A barbershop quartet is a group of four singers who sing music in the barbershop style, characterized by four-part harmony without instrumental accompaniment, or a cappella. The four voices are: the lead, the vocal part which typically carries t ...
that won the 1948
SPEBSQSA international competition.
References
AIC entryAIC entry(archived, includes more information)
Barbershop quartets
Barbershop Harmony Society
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