Each distinct region has a representative sub-culture of music. However, on the whole, a single broad classification does exist. Khayal is a Persian word, standing for imagination. The progenitor of khayal is the multi-faceted genius of the Middle Ages, Amir Khusrau. There are two types of khayal, slow and fast.
Rhythmic rendition is the mainstay of khayal.
The origin of dhrupad is credited to Raja Mansingh Tomar of Gwalior in central India. The words that make up a dhrupad song are chiefly devotional. The mood is generally sombre. The rhythm to which dhamaar is set is also called the dhamaar taal or dhamaar rhythm. The progenitor is a camel driver tribesman from central Asia, called Shori Miyan.