album_name: Beethoven: Piano Sonatas, Vol. 4
artists: 531a689ccbcd421cb6afcf5aa22ab1f2
artists: Ludwig van Beethoven
artists: ARTIST_ROLE_COMPOSER
artists: ca9f3a288a1c48aeb93e1763ce8b325c
artists: Gerhard Oppitz
artists: ARTIST_ROLE_MAIN_ARTIST
name: Piano Sonata No. 12 in A-Flat Major, Op. 26: I. Andante con variazioni