Mariah The Scientist: Hearts Sold Separately Tour

Mariah Amani Buckles (born October 27, 1997), known professionally as Mariah the Scientist, is an American singer and songwriter. She signed with Tory Lanez's One Umbrella and RCA Records to release her debut studio album Master (2019) and its follow-up, Ry Ry World (2021). She parted ways with both labels in favor of Epic Records to release her third studio album, To Be Eaten Alive (2023), which marked her first entry on the Billboard 200. Her 2025 singles, "Burning Blue" and "Is It a Crime" (with Kali Uchis), marked her first entries on the Billboard Hot 100 as a lead artist; they both peaked within its top 30. Both songs preceded her fourth studio album, Hearts Sold Separately (2025).