Who Sang The Old School Song Steady Rockin All Night Long Or Steady Rocking? Something Like That?

The Whispers sang Rock steady.

The title of the above mentioned song is "Rock Steady". It was sung by the R & B band called The Whispers. This song is from their 1987 album called Just Gets better with time. And it reached Number 7 on the US Top 100. You can download the lyrics at the link below:
lyrics.webfitz.com