Singer Justin Timberlake has premiered a new track 'TKO' online. The 32-year-old singer-actor has unveiled the song as the second cut to be lifted from his upcoming album The 20/20 Experience - 2 of 2,reported Ace Showbiz. The track has been produced by Timberlake's long-time collaborator Timbaland. Timberlake's new album The 20/20 Experience - 2 of 2 will be released on September 30. The collection will feature new collaborations with Jay Z and Drake and serves as the follow-up to the multi-million-selling The 20/20 Experience,which topped charts earlier this year.