AUTHOR=Wöllner Clemens TITLE=How to quantify individuality in music performance? Studying artistic expression with averaging procedures JOURNAL=Frontiers in Psychology VOLUME=4 YEAR=2013 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2013.00361 DOI=10.3389/fpsyg.2013.00361 ISSN=1664-1078