Wendy HaasAmerican vocalist and keyboardist / From Wikipedia, the free encyclopedia Wendy Haas-Mull (born c. 1949) is an American vocalist and keyboardist best known for her work with the bands Santana and Azteca. This biography of a living person needs additional citations for verification. (September 2018)
Wendy Haas-Mull (born c. 1949) is an American vocalist and keyboardist best known for her work with the bands Santana and Azteca. This biography of a living person needs additional citations for verification. (September 2018)