Who were the black singing group that didn't make it with Motown records in 1960's?

One notable black singing group that didn't achieve success with Motown Records in the 1960s was The Satintones. Formed in 1959, they were one of the first groups to sign with Motown, but despite their early promise and hits like "My Beloved," they struggled to find lasting fame. Their lack of commercial success led to their eventual disbandment, while other Motown acts soared to iconic status.