Pakistan, June 19 -- This is the tenth article in a special series by Ally Adnan that brings to life memorable incidents from the rich and fascinating life of Hazrat Amir Khusrau, whose timeless legacy continues to inspire the world.

The 13th-century poet, musician, philosopher, scholar and statesman Amir

Khusrau formalised the tradition of qawwali during the reign of Alauddin Khalji.

He defined its essential elements, rules and structure; developed an eight-beat

rhythmic cycle known as qawwali taal and introduced melodic modes such as

Ayman, Ghara, Sazgiri, Shahana and Zilaf raags, which were particularly suited to

the art form. The tradition established by Khusrau has continued to gain popularity for more than 700 years and forms ...