Complex sentence: In 1983, the trio performed as the jazz-pop group Bronze but later changed their name to Matt Bianco and recorded their debut album "Whose Side Are You On?", released in 1984.
Split into simpler sentences: In 1983, the trio performed as the jazz-pop group Bronze. Later on they changed their name to Matt Bianco and recorded their debut album "Whose Side Are You On?", released in 1984.