Born in Faisalabad, Khan had his first public performance at the age of 16, at his father's chelum. He became the head of the family qawwali party in 1971. He was signed by Oriental Star Agencies, Birmingham, England, in the early 1980s. Khan went on to release movie scores and albums in Europe, India, Japan, Pakistan and the US. He engaged in collaborations and experiments with Western artists, becoming a well-known world music artist. He toured extensively, performing in over 40 countries
I have found music software to be a great boon for composition. I think it has set me forward many years in my composing abilities. I used Guitar Pro. I've also tried free music notation software and most of these aren't very good: they are buggy and not very intuitive.