Marcie Jones had been in Marcie & The Cookies in the 60s: see their 1968 releases All Or Nothing and I
Would If I Could.
Further reading: 1. Marcie & The
Cookies at Wikipedia. 2. MarcieJones.com 3. Marcie Jones page at entertainOZ.
Suggestion from Terry Stacey.
Single on Philly Groove label by Philly soul trio formed in Philadelphia in 1971.
Writers Felder and Harris were regular collaborators in the Philadelphia Soul scene of the 1970s.
Further reading: 1. Allan Felder and First Choice at All Music Guide. 2. Philadelphia (Philly) Soul entry at Wikipedia.
Thanks to Mike Robbins for clarification.