Song - Halka Halka br Music Composed & Produced by : Ram Sampath br Singers : Shreya Ghoshal, Sonu Nigam, Ram Sampath br Lyrics by : Javed Akhtar br Additional Vocals : Sayantani Das br br Live Percussions by : Nitish Ranadive br Guitars by : Sanjoy Das, Pawan Rasaily br Flute By : Nitesh Bisht br Bass : Vin Benjamin br Additional Arrangements : Pawan Rasaily br Recording Engineers : Yash Divecha and Nitesh Bisht br Mixed by : Yash Divecha and Nitesh Bisht at Omgrown Music, Mumbai br Mastered by : Donal Whelan at Hafod Mastering, Wales br Assistant Engineers : Priyank Sharma, Girish Patro, Saiprasad Raman, Harshad Jadhav, Sunil Mhatre, Shayan Chakraborty br Executive Producer for Omgrown Music : Sona Mohapatra br br Written by - Rahul Dholakia, Harit Mehta, Ashish Vashi & Niraj Shukla br Director Of Photography - K.