The Score a Hit research paper
The work that led to Score a Hit is published in a research paper titled Hit Song Science Once Again a Science? authored by Yizhao Ni, Raul Santos-Rodriguez, Matt Mcvicar, Tijl De Bie. It will be presented on 17 December 2011 in the 4th International Workshop on Machine Learning and Music: Learning from Musical Structure, which is co-located with the NIPS conference on Neural Information Processing Systems.
See here for more details on this workshop.