album_name: Beethoven Piano Sonatas: The Complete Wartime 78-rpm Recordings
artists: 99285e31b4ec46c0ae31858cacfd2b83
artists: Wilhelm Kempff
artists: ARTIST_ROLE_MAIN_ARTIST
name: Piano Sonata No. 21 in C Major, Op. 53 "Waldstein": II. Introduzione: Adagio molto -