"Dance styles depend on the sociological background of the people who first started practising them. Take Kathak, for example. It was with the Muslim invasion that Hindustani classical music received prominence. They brought with them the tawaifs, who, along with the existing kathakas or storytellers, gave Kathak its flavour. And then, Kathak went into the darbari mode. Post that, elements of raas leela started being incorporated into Kathak, which is now, a versatile product of these influences."