Classical piano sheet music by Chopin to download: Mazurka Op. 17 No. 4 in the key of This piece has difficulty level 6 in the category Piece Mazurka Op. 17 No. 4 in A Minor, a composition by the early romantic composer Frédéric Chopin who was born in 1810 and died in 1849. It was composed during the Early Romantic period and is part of Chopin's Mazurkas.