Complex sentence: Ayumi Hamasaki is the most famous example of Matsuura's work, as well as is known for reviving Ami Suzuki's career after she was let go by her previous record label.
Split into simpler sentences: Ayumi Hamasaki is the most famous example of Matsuura's work. He also is known for reviving Ami Suzuki's career after she was let go by her previous record label.