Complex sentence: Orthodox Theravada Buddhism frowns upon music as being decadent, but the Burmese monarchy as well as infusion of different regional music styles, created several classical traditions of Burmese music.
Split into simpler sentences: Orthodox Theravada Buddhism frowns upon music as being decadent. Despite this cultural backdrop, the Burmese monarchy as well as the infusion of different regional music styles, have created several classical traditions of Burmese music.