Complex sentence: Recordings of all eras of early music and many obscure ancient composers are now available; since most major recording labels are no longer funding classical music recordings, the majority of recorded music available is found for purchase (or download) on the internet.
Split into simpler sentences: Recordings of all eras of early music and works of many lesser-known composers are now available. The majority of recorded music available is found for purchase (or download) on the internet.