Fabio Morreale, Raul Masu, Andrew P. McPherson. Constraining Control in Mixed-Initiative Musical Interfaces. In Sebastian Deterding, Jonathan Hook, Rebecca Fiebrink, Marco Gillies, Jeremy Gow, Gillian Smith, Kate Compton, Memo Akten, editors, Proceedings of the CHI'17 Workshop on Mixed-Initiative Creative Interfaces co-located with ACM CHI Conference on Human Factors in Computing Systems (CHI 2017), Denver, USA, May 7, 2017. Volume 1907 of CEUR Workshop Proceedings, CEUR-WS.org, 2017. [doi]