Complex sentence: In the music tradition of India there are many forms of musical compositions which to some degree is on account of many musical styles prevalent in different regions of the country, such the Hindustani music, Karnatick music, Bengali music and so forth.
Split into simpler sentences: In the music tradition of India there are many forms of musical composition. To some degree this is on account of there being many musical styles prevalent in different regions of the country, such as Hindustani music, Carnatic music, Bengali music, and so forth.