Did muslim leaders support indian art and music?

The religious arts of the Muslim world manifest particular cultural characteristics and a sense of unity across cultures. The devotional music of Nigeria and Pakistan, for example, have a recognizable relationship, but are also uniquely Nigerian and Pakistani. Jacques Jomier attributes this phenomenon to the way Islam moves through the world:

Islam is like a clear stream, with well defined characteristic, which is the same everywhere. But the soil over which the stream flows can be very varied. Moreover, in each case, the water will take on the color of the shores, the sand or the earth which forms its bed.

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.