Complex sentence: The group decided to continue on with Jamie Fillmore filling Bonnet's role as guitarist, and a 1997 recording session, which yielded a 52-minute song called "Trading Balloons", was released as an EP.
Split into simpler sentences: The group decided to continue with Jamie Fillmore filling Bonnet's role as guitarist. Also, a 1997 recording session, which yielded a 52-minute song called "Trading Balloons", was released as an EP.