Christina Aguilera to release dance comeback

London: Singer Christina Aguilera is working on a dance music comeback track with producer Max Martin. The 31-year-old is preparing to make her comeback in August, with a song produced by Max Martin, who has previously written hits for Britney Spears, Kelly Clarkson and Katy Perry, reports a website. Aguilera`s last album, ‘Bionic’, was released in 2010 but was only a moderate success by the star`s standards. IANS