Pitch Perfect: A History of Vocal Groups
Have you ever heard of the Boswell Sisters? They w... ...ensation in the 1930s, bringing the popularity of vocal groups into the mainstream. As jazz took hold in the 20s... ...in the 20s, there was a dip in the popularity of vocal groups , but waiting in the wings were The Boswell Sister... ...waiting in the...
https://www.neatorama.com/2017/07/09/Pitch-Perfect-A-History-of-Vocal-Groups/
