For ten points, name the musical style perhaps best known in the works of Phillip Glass.
Archetypical works in this style include the "continuous frequency environments" of La Monte Young and the "variation-free" pieces of Morton Feldman. Many of its composers were influenced by the absence of harmony in Indian music, while others sought to compose artistic explorations of only timbre [TAM-bur] and rhythm; or, in the case of Cage's 4:33 ["Four minutes, thirty-three seconds"], of complete silence. For ten points, name the musical style perhaps best known in the works of Phillip Glass.
Archetypical works in this style include the "continuous frequency environments" of La Monte Young and the "variation-free" pieces of Morton Feldman.
{minimal}ism