The title track of "Kal Ho Naa Ho," composed by Shankar-Ehsaan-Loy and sung by Sonu Nigam, is an iconic 2003 song that highlights the importance of living in the present. Featuring Shah Rukh Khan, Saif Ali Khan, and Preity Zinta, this Javed Akhtar-penned song remains a timeless anthem of love and life, with its emotional, bittersweet melody and profound, simple lyrics continuing to resonate globally.