Pitch Perfect: A History of Vocal Groups...
Have you ever heard of the Boswell Sisters ? They were a sensation in the 1930s, bringing the... ...f vocal groups, but waiting in the wings were The Boswell Sisters , a group who changed the face of modern music in... ...ne of the all-time greatest jazz vocal groups.The sisters...
https://www.neatorama.com/2017/07/09/Pitch-Perfect-A-History-of-Vocal-Groups/
