Abby Lynn Keen, professionally known as ABSOLUTELY (previously aB Keen) is a singer-songwriter and producer from Tooting, London. She is the sister of singer-songwriter RAYE and of producer Paul Keen.

She released a series of EPs each month in late 2019 called September, October, November, and December. In between in August 2019, she provided background vocals on RAYE’s single “Love Me Again”. In March 2020, she released her fourth EP First Place (The Tancrede Sessions).

Her debut full-length album, CEREBRUM, was released November 17, 2023, and her sophomore album, Paracosm, released February 20, 2026.

In November 2020, she achieved her first major label songwriting placement on Brazilian singer-songwriter Anitta’s holiday release single “Amor Real”. Since then, she has accrued production credits for numerous other major-label artists, including LISA, Normani, Tinashe, and MARINA.