The mere fact that Glass writes music for a reason different from Schubert’s does not invalidate the results. The problem is that Glass’s music fails to do what I believe all great music does, which is to structure time in a profoundly meaningful way. […] If it is not sufficiently eventful to hold our attention throughout that time, then it is not successful—and that is where Philip Glass falls short.
Terry Teachout: „Philip Glass Half-Full„, Artikel vom 23. März 2015