Conversation so far:
What happened in 1957?
Teenagers Rosalind Ashford and Annette Beard first became acquainted after a local music manager hired them to be members of a girl group he named The Del-Phis.
did they become friends?
CANNOTANSWER.
Did they produce music?
Ashford & Beard, along with then-lead vocalist Gloria Williams, performed at local clubs, private events, church benefits, YMCA events and school functions.
did they record any music?
In 1960, the group signed their first recording contract with Checker Records, releasing the Reeves-led "I'll Let You Know.
was it popular?
The record flopped.
Did they have another record?
The group then recorded for Checkmate Records, a subsidiary of Chess Records, recording their first take of "There He Is (At My Door)".
was this album successful?
That record, featuring Williams on lead vocals, also flopped.
Did they have one that was successful?
the Vels recorded what was initially a demo recording of "I'll Have to Let Him Go".
Motown was so impressed by the group's vocals.
did they work with Motown?
CANNOTANSWER.

Question: Did they work with anyone else?
Self-contained rewrite: Did The Vels work with anyone else besides Motown?