"Mambo Baby" is a 1954 single written by Charles Singleton and Rose Marie McCoy and performed by

Ruth Brown Ruth Alston Brown (; January 12, 1928 – November 17, 2006) was an American singer-songwriter and actress, sometimes referred to as the " Queen of R&B". She was noted for bringing a pop music style to R&B music in a series of hit songs for Atl ...

and Her Rhythmmakers. The single was Ruth Brown's last number one on the R&B chart, where it spent one week.

References

1954 singles Ruth Brown songs Songs written by Rose Marie McCoy {{1950s-R&B-song-stub