What are Christina Aguilera's jazz songs?

Christina Aguilera's jazz songs primarily feature on her 2006 album "Back to Basics," which showcases her vocal prowess in a vintage jazz style. Notable tracks include "Ain't No Other Man," "Slow Down Baby," and "Understand." Additionally, she has performed various jazz standards, such as "At Last," during live shows and special events, highlighting her versatility as an artist.