Complex sentence: The Mega Drive counterpart does not contain any of the music from the SNES game, with the exception of the main theme song at the title screen, bosses also has their own song rather than a generic theme for all of them.
Split into simpler sentences: The Mega Drive counterpart does not contain any of the music from the Super NES game, with the exception of the main theme song at the title screen. Bosses also has their own song rather than a generic theme for all of them.