The song Yaariyan is from Cocktail starring Saif Ali Khan, Deepika Padukone & Diana Penty in lead roles. Yaariyan/Alvida is sung by lead vocalist of Band Agnee Mohan Kanan and Shilpa Rao. This song is composed by Pritam. While the lyrics of Yaariyan are penned by Irshad Kamil. There are two versions of this song in the album one is sung by K. Mohan & Shilpa Rao and Other is reprise version sung by Sunidhi Chauhan & Arijit Singh.