Get ready to feel very emotional with "Trilogy Sonata for Piano: I. Knee Play No. 4 (from Einstein on the Beach)" by Philip Glass. With a 81 BPM and 4 time signature, the rhythms flow in G major. Spanning 6 minutes and 14 seconds, "Trilogy Sonata for Piano: I. Knee Play No. 4 (from Einstein on the Beach)" radiates low energy from start to finish. Let the very emotional vibes of this track carry you away.