Listen to KO 2 Kannama song teaser. KO2, is the sequel to the super hit movie KO. The movie starring Bobby Simha, Nikki Galrani and Prakash Raj in the lead roles is directed by Sarath. The audio of the film will be released on October 1st. The movie will be released on October 21. Music is by Leon James. The movie is produced by RS Inoftainment.