Whatever epithet might be attached to Einstein on the Beach " wellspring of minimalism, unrepeatable masterpiece of non-linear narrative, avant-garde epic, colossal waste of time " it remains the only opera in the Western repertoire in which leaving and reentering the auditorium are not only tolerated but expected. So about 70 minutes after the start ...
SOURCE: National Post (Canada) at 12:44PM on June 10, 2012