Complex sentence: After their third album in 2002 ("The Most Wonderfulest Thing"), the band added three members (Father Hummingbird, The Seven Fields of Aphelion, and Iffernaut) and changed their name to form Black Moth Super Rainbow in 2003.
Split into simpler sentences: After their third album "The Most Wonderfulest Thing" in 2002, the band added three members, Father Hummingbird, The Seven Fields of Aphelion and Iffernaut. They changed their name to form Black Moth Super Rainbow in 2003.