While Mariah Carey continues at No. 1 for an eighth week on the Billboard Hot 100, she also moves up to No. 1 on the Adult R&B chart with We Belong Together. It's Carey's first chart-topper on this list. Carey also leads on Hot R&B/Hip-Hop Songs, Hot R&B/Hip-Hop Airplay, Rhythmic Top 40, the Pop 100, Pop 100 Airplay and the Mainstream Top 40 chart, the first song in history to lead all eight charts concurrently.