Georg Boenn Martin Brain Marina De Vos John Fitch Automatic Composition of Melodic and Harmonic Music by Answer Set Programming. 160-174 2008 ICLP http://dx.doi.org/10.1007/978-3-540-89982-2_21 conf/iclp/2008 db/conf/iclp/iclp2008.html#BoennBVF08