Complex sentence: After Aaliyah's death the album was back returned to the Billboard 200 and to the R&B/Hip-Hop Albums, "One In A Million" was topped the "Top Catalog Albums" for 12 weeks.
Split into simpler sentences: After Aaliyah's death, "One In A Million" returned to the Billboard 200, R&B/Hip-Hop Albums. The album also topped the "Top Catalog Albums" for 12 weeks.