Der Soundtrack: Die Musik zu One 2 Ka 4 hat der unvergleichliche A. R. RahmanLata MangeshkarUdit Narayan, die Stimme Shah Rukh KhansAlka YagnikSonu Nigam
Majrooh Sultanpuri
Biographie:
Khamoshiyan Gungunane Lagi - Lata Mangeshkar & Sonu Nigam
Sona Nahin Na Sahi
I Am Sorry - Udit Narayan, Srinivas, Poonam Bhatia
Haye Dil Ki Bazi Laga - Sonu Nigam & Alka Yagnik)
Osaka Muraiya - Sonu Nigam, Rageshwari
Allay Allay Sukhwinder Singh & Shaan
Khamoshiyan Gungunane Lagi Part II - Lata Mangeshkar & Sonu Nigam
One Two Ka Four - Clinton & Others
Tum Nahin Jana - Udit Narayan, Alka Yagnik & Shankar Mahadevan (Film: Duplicate)
Mere Mehboob Mere Sanam - Udit Narayan & Alka Yagnik (Film: Duplicate)
Bhool Ke Din 2006 edit - Sudesh Bhosle, Sadhana Sargam, KK, Abhijeet (Film: Dil Aashna Hai )
Ishq Da Rog Bura - Lata Mangeshkar, Vinod Rathod (Film: Darr)
Tujhe Dekha To - Lata Mangeshkar & Kumar Sanu (Film: Dilwale Dulhaniya Le Jayenge)