Complex sentence: A.M.W. was a trio from Oakland, California that came together in 1990 to release their debut album, "Criminals", which peaked at number 66 on the "Billboard" Top R&B/Hip-Hop Albums chart.
Split into simpler sentences: A.M.W. was a trio from Oakland, California that came together in 1990 to release their debut album, "Criminals". Criminals was only a minor success, making it to 66 on the Top R&B/Hip-Hop Albums chart.