@article{Turnbull_MusicBoundary_ISMIR07,
author = {Douglas Turnbull and Roy Liu and Luke Barringon and Gert Lanckriet},
journal = {International Conference on Music Information Retrieval (ISMIR)},
title = {A Game-Based Approach for Collecting Semantic Annotations of Music},
month = {September}, 
year = {2007},
}