CLASSICAL20.COM

Variations for piano, op. 27, is a twelve-tone piece for piano composed by Anton Webern in 1936. It consists of three movements:

1. Sehr mäßig (“Very moderate”)
2. Sehr schnell (“Very fast”)
3. Ruhig fließend (“Calm, flowing”)

Webern’s only published work for solo piano, the Variations are one of his major instrumental works and a seminal example of his late style. [source]

Glenn Gould – pianoforte, filmed in 1974.