Premise: "Twistin' the Night Away" is a song written and recorded by Sam Cooke. It was released as a single in 1962 and became very popular, charting in the top ten of both the "Billboard" Hot 100 (#9) and Billboard's R&B chart (#1). "Twistin' the Night Away" was successful overseas as well, peaking at #6 on the UK Singles Chart.
Hypothesis: The single sold one million copies.