There are varied types of Pakistani music. The fact is that many associate all Pakistani music compositions of the eras gone by to be classical, however there are other entertaining and purposeful ones that have come down the ages.
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Many Pakistani musicians of other genre (particularly ghazal, qawwali and folk musicians) therefore are nonetheless trained in Subcontinent classical, and often belong to a gharana.
It is up to you to come across the top resources on the www. You may also stumble on what you are trying to find in the local library. The normal individual would might feel that taking the time to obtain knowledge on this topic is a waste of time.