This confident subversion of what our ears expect is Mr Glass's secret for remaining fresh, and that freshness was expertly and sympathetically conveyed by the conducting of Dennis Russell Davies.

ECONOMIST: Philip Glass: Not all ravens are white | The

Glass turned seventy-five on January 31st, and Carnegie Hall marked the occasion by presenting the first American performance of his Ninth Symphony, with the American Composers Orchestra, conducted by Dennis Russell Davies.

NEWYORKER: Number Nine