Traditionally, separation songs tend to be painful and melancholic. But ‘Ik Vaari Aa’ from ‘Raabta’, directed by Dinesh Vijan, promises to be a happy one. The song, which is set to release tomorrow, features Sushant Singh Rajput and Kriti Sanon. The track is about how the couple part on a happy note and spend their time reminiscing the good times they shared together and eagerly anticipating their next meeting. Composed by Pritam, ‘Ik Vaari Aa’ has been penned by Amitabh Bhattacharya and sung by Arijit Singh.