@inproceedings{klugel2011approach,
  title={An Approach to Collaborative Music Composition.},
  author={Kl{\"u}gel, Niklas and Frie{\ss}, Marc Ren{\'e} and Groh, Georg and Echtler, Florian},
  booktitle={NIME},
  pages={32--35},
  year={2011},
  organization={Citeseer},
  keywords    = {music composition, multitouch, user interface, collaboration},
  note = {\url{http://campar.in.tum.de/pub/kluegel2011cmc/kluegel2011cmc.pdf}
}