Ghulam Mustafa Khan (1931–2021) was a Indian classical vocalist of the Rampur-Sahaswan Gharana. Born in Badayun, he was trained by his father and later by Ustaad Fida Hussain Khan and Ustad Nissar Hussain Khan. He gave his debut public performance at age eight during a Janmashtami function. Beginning in 1957, Khan performed playback for Marathi and Gujarati films and contributed to over 70 documentary films, including playing the role of Baiju Bawra in Rain Maker. A celebrated mentor, he served as a guru to legends such as Lata Mangeshkar, Asha Bhosle, and Sonu Nigam. His collaborative work included a three-generation performance on the program Coke Studio @ MTV with his sons and grandson. Khan's accolades included the Padma Shri (1991), Sangeet Natak Akademi Award (2003), Padma Bhushan (2006), and Padma Vibhushan (2018). He died on January 17, 2021, in Mumbai.