Listen to Happy Bhag Jayegi (Title Track) online. Happy Bhag Jayegi (Title Track) is a Hindi language song and is sung by Daler Mehndi, Harshdeep Kaur, Suvarna Tiwari, Mudassar Aziz and Sohail Sen. Happy Bhag Jayegi (Title Track), from the album Happy Phirr Bhag Jayegi (Original Motion Picture Soundtrack), was released in the year 2018. The duration of the song is 3:44. Download Hindi songs online from JioSaavn.