In 1967, when Clark was 17, she and future singer and songwriter Luther Vandross worked together after school in the stockroom at Alexander's department store in the Bronx.

[1] They started singing together and then joined a 16-member group called Listen My Brother, which was managed by the owners of the Apollo Theatre.

[1] Clark began dating Puerto Rican Listen My Brother member and guitarist Carlos Alomar, and they were married in 1970.

Clark performed as a guest vocalist on the 1985 Simple Minds album Once Upon a Time.

"[3] Clark was featured in Simple Minds music videos "All the Things She Said", "Alive and Kicking" and "Sanctify Yourself".