Fred Parris and The Satins (later renamed as The Five Satins).
Fred Parris, leader vocal of the group wrote this song in 1955 at the basement of a local church.
Excerpt from the film "Sweet Beat".
You can find two more excerps of this film Here:
youtu.be/1r3MTcZJIrY
youtu.be/9sqaTxrKvgw