Zafar sang "Jugnuon Se Bhar De Aanchal" for the 2003 film "Shararat". In the same year, he debuted as a musician with the album "Huqa Pani," which was a success. The album sold over 5,000,000 copies worldwide and won several awards and nominations, including the 2004 Lux Style Award for "Best Album" and the 2008 "Best Male Artist" award at the MTV awards, making him one of the most popular pop singers in Pakistan. It was also claimed that Bollywood's popular music directors Himesh Reshammiya and Pritam ripped "Channo" and "Rangeen" from Zafar's album in "Dillagi Mein Jo Beet Jaaye" for "Aashiq Banaya Aapne" and "Chhore Ki Baatein" for "Fight Club – Members Only", respectively.