Complex sentence: In 1993, the group released its second studio album, "Diary of a Mad Band", which peaked at number six on the "Billboard" 200 and number one on the Top R&B/Hip-Hop Albums.
Split into simpler sentences: In 1993, the group released its second studio album, "Diary of a Mad Band". It peaked at number six on the "Billboard" 200 and peaked at number one on the Top R&B/Hip-Hop Albums.