album_name: The Complete Beethoven Piano Sonatas, Vol. 3
artists: 531a689ccbcd421cb6afcf5aa22ab1f2
artists: Ludwig van Beethoven
artists: ARTIST_ROLE_COMPOSER
artists: d064dd508af842de86840eb4597b5794
artists: Jonathan Biss
artists: ARTIST_ROLE_MAIN_ARTIST
name: Piano Sonata No. 21 in C Major, Op. 53 "Waldstein": II. Introduzione. Adagio molto