Endhiran (Robo) Music Release Date Announced. Yes big budget Tamil movie Endhiran (Robo) starring Rajinikanth and Aishwarya rai music release date has been announced by sun pictures. The Endhiran film's songs and soundtrack, composed by A. R. Rahman, is slated for release on July 31, 2010. This is a strong indication that the film is gearing up for a release sooner than expected. Endhiran is a very high budget movie, which is being produced by Sun Pictures and directed by Shankar.