附註:Title on insert: Piano sonatas.
Originally issued in 1964 (2nd work) and 1965 (1st work).
Compact disc.
Program notes inserted in container.
Sonata No. 17, op. 31, no. 2 "Sturm-Sonate" (The tempest) (22:36) --Sonata No. 29, op. 106 "Hammerklavier-Sonate" (40:06)
