Sebastiaan Visser is a dutch jazz/fusion instrumentalist and composer. His self-produced debut album In the Box was released October 27, 2023 and features fellow musicians Deborah Slijkhuis, Igor Herstel and Tijmen Posthoorn. Sebastiaan is also a founding member of the experimental R&B act Koi Forest, and regularly performs as a sideman with Jarlentji, Wynonna Stoové and others.