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.
Graphic Score [for organ, drums, guitar, and trombone]  :  Clara Claus
Hrammdæla 7 [for 4 recorders]  :  Guðmundur Steinn Gunnarsson
Nine Lullabies for Lanspil [for 4 langspil]  :  Guðmundur Steinn Gunnarsson
Mardigosa [for voice, saxophone, trumpet, and accordion]  :  Guðmundur Steinn Gunnarsson
Hrammdæla 6 [for 4 recorders]  :  Guðmundur Steinn Gunnarsson
Mardiposa [for mezzosoprano, alto saxophone, french horn, and accordion]  :  Guðmundur Steinn Gunnarsson
Hakkalamaka [for flute, bass clarinet, cello, and piano]  :  Guðmundur Steinn Gunnarsson
Boltatilraun 1 [for 4 saxophones]  :  Guðmundur Steinn Gunnarsson
Semi-Conducted 1 [for flute, clarinet, violin, and cello]  :  P. Hunter McCurry
Blátt er líka fínt! / Blue is also nice! [for airwavesrör, langspil, þyriltrommu, rope, and computer]  :  Jesper Pedersen
Infiltrationen [for 4 electric guitars and live electronics]  :  Stefan Prins
GENIV [for electric guitar quartet, processing, and live interactive scores]  :  Paul Turowski