Bix Brent was a founding member of The Heathertones

The Heathertones

The Heathertones vocal quartet took form in 1946 with members Nancy Swain Overton, her sister Jean Swain, Bix Brent and Pauli Skindlov. Jean and Bix were both graduates of Smith College, while Nancy and Pauli had completed their studies at Juilliard...

 who sang on many recordings in the early 1950s. After graduating from Smith College

Smith College

Smith College is a private, independent women's liberal arts college located in Northampton, Massachusetts. It is the largest member of the Seven Sisters...

 in 1945 with a degree in music, she was awarded a piano/composition scholarship at Juilliard.
After The Heathertones disbanded, Bix formed a singing trio known as The Couquettes. She also modeled, acted and composed music. At the time of her death in 1972 she was married to Arthur "Bud" Klauser. http://www.depauw.edu/library/archives/dpuinventories/klauser_arthur_bud_ebbert.htm

Information provided by Nancy Overton.