Karol Berger studied musicology at the university of Warsaw and Yale. He specializes in the history of music aesthetics and musical theory, as well as in music from 1770 to 1850. He has been Professor in Fine Arts at Stanford University since 1996. He wrote a number of essays, articles and books. Recently, he published Bach’s Cycle, Mozart’s Arrow: An Essay on the Origins of Musical Modernity (2007), which deals not with the question of what constitutes art, but with the question of what its purpose is.