Complex sentence: In September 1994, Suede announced their new guitarist, 17-year-old Richard Oakes, who after reading about Butler's departure, sent a demo tape to the band's fanclub.
Split into simpler sentences: In September 1994, Suede announced that 17-year-old Richard Oakes was to be the new guitarist. After reading about Butler's departure, he had sent a demo tape to the band's fanclub.