$a LCA online $b (Chopin etudes complete [SR] p1993: CD label (Yukio Yokoyama, piano) insert (Yukio Yokoyama, who in 1990, at the age of 19, took third prize in Warsaw’s prestigious Chopin Piano))
670
$a Piano Sonata No. 1 in F minor Op. 2 No. 1 [Dokument dźwiękowy] ; Piano Sonata No. 2 in A Major Op. 2 No. 2 ; Piano Sonata No. 3 in C Major Op. 2 No. 3 / Beethoven. - Germany, 2007. $b Wyk.