Syreeta - Can't Shake your Love (1981)

Syreeta Wright Muhammad (August 3, 1946 – July 6, 2004), who recorded professionally under the single name Syreeta, was a grammy-nominated American singer-songwriter most notably known for her work with Stevie Wonder and Billie Preston. Wright also sung background on records by the Supremes and by Martha and the Vandellas. 

audio link
http://www.youtube.com/watch?v=cmvC2Of0rww