A new song titled 'Alvida' from the Kangana Ranaut, Shahid Kapoor and Saif Ali Khan starrer upcoming drama film 'Rangoon' has been released. The song has been composed by Vishal Bhardwaj with vocals by Arijit Singh. Gulzar has penned the lyrics of the song. Directed by Vishal Bhardwaj, 'Rangoon' is scheduled to release on February 24.