Complex sentence: He stops next to Lightning and begins to transform into a bull as bullfight music plays, thus ramping up Lightning ("El Toro!"), and begins to play a guitar tune along with the music as El Magnífico comes out in a matador garb.
Split into simpler sentences: He stops next to Lightning and begins to transform into a bull as bullfight music plays. Lightning is instantly ramped up, and begins to play a guitar tune along with the music as El Magnífico comes out in a matador garb.