Complex sentence: After a brief song, the audience is introduced to Joey Arias, who has been kidnapped by aliens and is subjected to an intrusive probing while she performs a version of "Kashmir" by Led Zeppelin.
Split into simpler sentences: After a brief song, the audience is introduced to Joey Arias. Arias has been kidnapped by aliens and is subjected to probing while she performs a version of "Kashmir" by Led Zeppelin.