In his teens , inspired by the songs of Mehdi Hassan , Hariharan developed a passion for ghazals .
In his teens , inspired by the songs of Mehdi Hassan , Hariharan started training in Hindustani music from Ustad Ghulam Mustafa Khan .
In his teens , inspired by the songs of Mehdi Hassan , Hariharan developed a passion for ghazals and started training in Hindustani music from Ustad Ghulam Mustafa Khan .