These included "I'll Be Around",[4] "Could It Be I'm Falling in Love",[5] "They Just Can't Stop It the (Games People Play)".

[6] In 1974, they scored their only #1 Pop hit with "Then Came You" (sung by Smith, in collaboration with superstar Dionne Warwick).

The confusion between Smith and Wynne may be due to the similarities in their voices and the fact that they frequently shared lead vocals on many of those hits.

[10] In fact, Wynne was many times inaccurately credited for songs that Smith actually sang lead on, such as by the group's label, Atlantic Records, on their Anthology double album collection (an error corrected in the group's later triple CD set, The Chrome Collection).

Smith battled lung cancer, and died of pneumonia and influenza on March 16, 2013, at the age of 76.