Sarrainodu movie staring Allu Arjun and Rakul Preet in the lead roles is directed by Boyapati Sreenu. The audio of the film will be launched on April 1. A single song Blockbuster will be released tomorrow. The team had released an official poster confirming the song release date. Music is by Thaman. Lahari Music bags the audio rights of the film. The movie is produced by Allu Aravind.