Conversation so far:
What happened in 1957 involving Martha and the Vandellas?
Martha and the Vandellas were an American all-female vocal group formed in 1957.
Did the members of Martha and the Vandellas become friends?
Formed in 1957 by friends Annette Beard, Rosalind Ashford and Gloria Williams, the group eventually included Martha Reeves.
Did Martha and the Vandellas produce music?
Martha and the Vandellas charted over twenty-six hits.
Did Martha and the Vandellas record any music?
Martha and the Vandellas signed their first recording contract with Checker Records, releasing the Reeves-led I'll Let You Know.

Question: was it popular?
Self-contained rewrite: Was I'll Let You Know by Martha and the Vandellas popular?