This [incomplete and ongoing] list of works organized by instrumentation [and/or ensemble size/type] will hopefully serve as a resource for performers, composers and researchers alike. Each composition's author links back to their page, where you can find more information.
ff [for 2 acoustic guitars and cello] : Þorkell Atlason
Kimi@Ibrasotope [for flute, saxophone, and piano] : Luciano Azzigott
Ramminjálgur [for flute, harp, and percussion] : Guðmundur Steinn Gunnarsson
Selbol [for 3 celli] : Guðmundur Steinn Gunnarsson
Present Time 1 [for accordion, theremin, and guitar] : Jesper Pedersen
Spooky Circle [for 3 theremins] : Jesper Pedersen
Les chambres separees (Interactive Trilogy Part I) [for saxophone, piano, drums, light color control, and live interactive electronics] : Gerhard E. Winkler