"Ain't No Other Man" is described as a pop/R&B and funk song that incorporates elements of soul, blues and jazz music.
Lyrically, the song was inspired by Aguilera's marriage to Jordan Bratman in 2005.
It won a Grammy award for Best Female Pop Vocal Performance at the 49th Annual Grammy Awards (2006).
The track peaked at number six on the US Billboard Hot 100 and was certified platinum by the RIAA for shipments of one million copies.
The song reached the top five of record charts of several countries including Australia, Italy, New Zealand, and United Kingdom.