Pakistan, June 20 -- This is the 13th 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.

One day, Amir Khusrau and his disciples were walking through a market in Delhi when they heard a peculiar sound that was repeating in perfect rhythm.

They were fascinated by the sound and traced it to a small shop where a dhuniya (cotton carder) was carding cotton using a dhunki (a bow-like tool used to card cotton). Captivated by the repetitive, twanging sound, they stood outside the shop, enjoying its rhythm for a long time. One of the disciples asked Amir Khusrau, "Can music be made from this sound?" Khus...