Aimée Portioli is a Berlin-based Dutch-Italian composer and sound designer who records and performs as Grand River. Portioli makes experimental electronic music with rich emotional colours. Her work, influenced by minimalism and ambient music, is atmospheric yet rhythmically complex, incorporating a wide range of contemporary compositional and production techniques. In 2023, her third album, "All Above," found its way back to shelves under Editions Mego. In 2024, the new collaborative effort "In uno spazio immenso" emerged, a joint venture with Abul Mogard, debuted on Caterina Barbieri's light-years label. In addition to her studio albums, Portioli also creates original sound art installations and worked with 4D spatial sound on several occasions. Portioli has performed as Grand River at major international venues and festivals, including Barbican Hall, CTM Festival, Centre Pompidou, MUTEK, Kraftwerk, Funkhaus, WOS Festival, Berghain, and many more. Since 2016 she runs the label One Instrument that invites artists to respond to a unique creative brief – to create a piece of music using just one instrument. Aimée Portioli holds a bachelor’s degree from the Faculty of Linguistics and Communication of Milan. Her thesis explored the psychology of the communicative function of music in media. Her work today is motivated by similar questions of sound and music as a form of communication that goes beyond language.