Song: Ruby Ruby<br />Music Director: AR Rahman<br />Lyrics: Irshad Kamil<br />Singers: Shashwat Singh & Poorvi Koutish<br />Bass: Keba Jeremiah<br />Guitar: Keba Jeremiah & Chris Jason<br />Rhythm & Percussions: Raja & Kumar<br />Sunshine Orchestra conducted by: VJ Srinivasamurthy <br />Additional Programming: Ishaan Chhabra<br />Mixed by: Ishaan Chhabra & Deepak P A<br />Mastered by: Suresh Permal<br />Sound Engineers at Panchathan Record Inn (Chennai): Suresh Permal, Ishaan Chhabra, Santhosh Dhayanidhi, TR Krishna Chetan, Karthik Sekaran, Jerry Vincent, Kumaran Sivamani, Kaashif Rafiq, Pawan Chilamkurthi<br />Sound Engineers at AR Studios (Mumbai): R Nitish Kumar, Dilshaad Shaikh<br />Sound Engineers at AM Studios (Chennai): S.Sivakumar, Pradeep Menon, Kannan Ganpat, Manoj<br />Musicians Fixer: R Samidurai<br />Musician Coordinators: Vijay Iyer, Noel James, TM Faizuddin, Abdul Haiyum
