Complex sentence: The Dead Rabbitts' first EP "The Edge of Reality" that was produced by Caleb Shomo, also is featured in the EP on "Nothing But A Reject" and including backing vocals.
Split into simpler sentences: The Dead Rabbitts' first EP "The Edge of Reality" that was produced by Caleb Shomo. He also is featured in the EP on "Nothing But A Reject" and including backing vocals.