 Aguilera released the lead single, "Ain't No Other Man", from her fifth studio album, "Back to Basics", in June 2006.The song, like the majority of the album, was inspired by Aguilera's marriage and incorporates elements of early 20th-century soul, blues, and jazz.It reached number six on the "Billboard" Hot 100 and has sold 1.7 million digital copies in the US as of 2014.