After working in Paris and Zürich, she opened a dance school in Basel's Gundeldingen quarter in 1975, where she taught the Dunham technique.
[3] Dallas, whose mother was the first African American pianist to be heard on the St. Louis radio, comes from a musical family; her half-brother is Frank Strozier.
In 1943 she was discovered by Katherine Dunham at a school performance in St. Louis, who brought her to her dance company in New York.
Duke Ellington wrote two songs for her; The singer's first recordings were made in 1967 with Mac Strittmatter's septet.
Her CD 2008 I Live the Life I Love (2008) gave her appearances at the Festival da Jazz in St. Moritz as well as at the Theater Rigiblick in Zürich.