Early Romantic piano sheet music by Frédéric Chopin to download and print instantly: Mazurka Op. 67 No. 4 in the key of . Level 7, compositional type: Piece Mazurka in A Minor, Op. 67 No. 4 by the composer Frédéric Chopin who lived from 1810 to 1849. This piece is from the Early Romantic era and is included in Chopin's Mazurkas.