album_name: This Is Classical Guitar: Music by Sor and Giuliani
artists: 9c1dfc823c8f4da0ae653d3e560ff517
artists: Fernando Sor
artists: ARTIST_ROLE_COMPOSER
artists: b4e75930c78b4cc8b83897cf246c9e5c
artists: Jürg Kindle
artists: ARTIST_ROLE_MAIN_ARTIST
name: Etude, Op. 31, No. 4