Kal Ho Naa Ho, also abbreviated as KHNH, is a 2003 Indian Hindi-language romantic drama film directed by Nikhil Advani in his directorial debut with a story written by Karan Johar with dialogue by Niranjan Iyengar, and produced by Yash Johar. The film stars Jaya Bachchan, Shah Rukh Khan, Saif Ali Khan, and Preity Zinta, with Sushma Seth, Reema Lagoo, Lillete Dubey, and Delnaaz Irani in supporting roles. In the film, Naina Catherine Kapur (Zinta) and Aman Mathur fall in love, but a secret prevents him from reciprocating his feelings and results in a plan to set Naina up with her best friend, Rohit Patel.

Shankar–Ehsaan–Loy is an Indian musical trio consisting of Shankar Mahadevan, Ehsaan Noorani and Loy Mendonsa. They have composed music for over 50 soundtracks across five languages: Hindi, Tamil, Telugu, Marathi and English. Amongst the most critically acclaimed Indian musicians, the trio have won numerous awards, including National Film Awards, Filmfare Awards, and IIFA Awards. They are often referred to as the "Amar Akbar Anthony" (AAA) of the Hindi film music industry. They are known for their compositions in Dil Chahta Hai (2001), Kal Ho Naa Ho (2003), Kabhi Alvida Naa Kehna (2006), My Name Is Khan (2010), Zindagi Na Milegi Dobara (2011) and Dil Dhadakne Do (2015).