Mariah the Scientist achieves her first No. 1 on Billboard’s Top R&B Albums chart with Hearts Sold Separately, which enters atop the list dated Sept. 6. The set, released on Buckles Laboratories/Epic Records, begins with 36,000 equivalent album units earned in the United States for the tracking week of Aug. 22-28, according to Luminate.

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Streaming activity contributes 32,000 units of the first-week total, equaling 42.3 million official on-demand audio and video streams of the album’s songs. The remaining 4,000 units derive from traditional album sales, with a negligible number of track-equivalent albums for the week. (One unit equals the following levels of consumption: one album sale, 10 individual tracks sold from an album, or 1,250 paid/subscription tier or 3,750 ad-supported tier of official on-demand audio and video streams for a song on the album.)

Hearts Sold Separately is the Mariah the Scientist’s second appearance on Top R&B Albums. Her previous album, 2023’s To Be Eaten Alive, debuted and peaked at No. 14 that November.

Elsewhere, Hearts Sold Separately opens at No. 3 on Top R&B/Hip-Hop Albums and at No. 11 on the all-genre Billboard 200; both represent new career highs.

The new album era launched with the single “Burning Blue,” which generated career-best results for the singer-songwriter, born Mariah Buckles. In May, it debuted at No. 25 on the Billboard Hot 100 for her first top 40 result and was her first top 10 on the Hot R&B/Hip-Hop Songs chart. Thanks to the album’s arrival, “Burning Blue” reaches new peaks of No. 2 on this week’s Hot R&B Songs chart and No. 3 on Hot R&B/Hip-Hop Songs, sparked by gains in streams and sales.

“Burning Blue” leads 10 total cuts from Hearts Sold Separately on Hot R&B Songs. Previous release “Is It a Crime,” a collaboration with Kali Uchis, climbs 8-7 for a new peak, while eight tracks debut on the list.

Here’s a recap of all 10 entries on this week’s Hot R&B Songs chart.

No. 2, “Burning Blue”
No. 7, “Is It a Crime,” with Kali Uchis
No. 8, “Sacrifice”
No. 10, “Rainy Days”
No. 11, “United Nations + 1000 Ways to Die”
No. 13, “Like You Never”
No. 14, “Eternal Flame”
No. 15, “All I Want + In Pursuit”
No. 16, “No More Entertainers”
No. 20, “More”