A series featuring different styles of a cappella singing. Tonight it's the turn of Hallmark of Harmony, the British champion barbershop chorus, to display vocal accomplishment without accompaniment.
Producer DAVE SHANNON BBC Manchester
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A series featuring different styles of a cappella singing. Tonight it's the turn of Hallmark of Harmony, the British champion barbershop chorus, to display vocal accomplishment without accompaniment.
Producer DAVE SHANNON BBC Manchester