In 2011, his vocals were featured on the soundtrack of Mel Gibson’s Apocalypto. In 2002, Rahat guested with The Derek Trucks Band on the song Maki Madnifor Trucks’ album, Joyful Noise. In 2002, he worked on the soundtrack of The Four Feathers in collaboration with the American composer of orchestral and film music, James Horner. In a subordinate role with his uncle Nusrat Fateh Ali Khan, working in collaboration with Eddie Vedder, of the American rock band, Pearl Jam, Rahat contributed to the soundtrack of the 1995 Hollywood film, Dead Man Walking. In April 2012 Rahat toured in the UK, performing atWembley Arena and the Manchester Arena, playing to a combined audience of over 20,000 people.
He has toured extensively and performed in Pakistan, India, United Kingdom and all around the world. His recent works include Pakistani nationalistic songs such as Dharti Dharti and Hum Pakistan, and songs from Bollywood films.
He sang lollywood playback in the 90s and debuted as a playback singer in Bollywood with the movie Paap (2004), featuring the hit song, Mann Ki Lagan. At a concert at the Harrow Leisure Centre in 1985, he performed the solo song, Gin Gin Taare Lang Gaiyaan Rattaan. At a concert in Birmingham on 27 July 1985, he performed the solo ghazal, Mukh Tera Sohneya Sharab Nalon Changa Ae. He toured the UK with his uncle in 1985, and performed solo songs in addition to singing with the Qawwali group. From age fifteen, he was made an integral part of Nusrat Fateh Ali Khan’s qawwaligroup which was famous throughout the world. At the age of seven he began formal training with his uncle and he performed first time in public at the age of nine at the death anniversary of his grandfather.
Rahat was chosen by his uncle Ustad Nusrat Fateh Ali Khan for tutoring in the traditions of Qawwali music and was precociusly singing with his uncle and father by the age of three.