Complex sentence: In 2004, after twenty three years apart, all four original members of Throbbing Gristle reunited, and issued a new 12 recording, TG Now.
Split into simpler sentences: In 2004, after twenty three years apart, all four original members of Throbbing Gristle reunited. The reunited Throbbing Gristle issued new a new 12 recording, TG Now.