Published on Oct 5, 2017Bas Ek Baar - Fever | Arijit Singh | Rajeev Khandelwal, Gauhar K, Gemma A & Caterina M | Rahul Bhatt Presenting Bas Ek Baar video song, sung by Arijit Singh. To set Bas Ek Baar as your caller tune SMS FEVER2 to 57575 Title : Bas Ek Baar Singer : Arijit Singh Lyrics : Rahul Bhatt Music : Rahul Bhatt Mix&Master Engineer : Lakshman Chandrasekaran Guitars : KC Sreeram Studio - Dropline Studio, Chennai & Atmosphere Labs, Toronto. Cast : Rajeev Khandelwal, Gauahar Khan, Gemma Atkinson, Caterina Murino & Victor Bannerjee Director : Rajeev Jhaveri Producers : Ravi Agrawal, Mahesh Balekundri, Ajay Chabbria & Rajath Manjunath. Co-Producer : Karan Devgan