Mazurkas, Op. 30 (Chopin)

The Op. 30 mazurkas, by Frédéric Chopin, are a set of 4 mazurkas written and published in 1837:
 * Mazurka in C minor Op. 30 No. 1
 * Mazurka in B minor Op. 30 No. 2 (ends in F-sharp minor)
 * Mazurka in D-flat major Op. 30 No. 3
 * Mazurka in C-sharp minor Op. 30 No. 4