Chopin Music IV app for iPhone and iPad

This app presents 25 musical works by Chopin:

I - Op. 6, No. 1: Mazurka in F-sharp minor
II - Op. 6, No. 2: Mazurka in C-sharp minor
III - Op. 6, No. 3: Mazurka in E major
IV - Op. 6, No. 4: Mazurka in E-flat minor
V - Op. 7, No. 1: Mazurka in B-flat major
VI - Op. 7, No. 2: Mazurka in A minor
VII - Op. 7, No. 3: Mazurka in F minor
VIII - Op. 7, No. 4: Mazurka in A-flat major
IX - Op. 7, No. 5: Mazurka in C major
X - Op. 17, No. 1: Mazurka in B-flat major
XI - Op. 17, No. 2: Mazurka in E minor
XII - Op. 17, No. 3: Mazurka in A-flat major
XIII - Op. 17, No. 4: Mazurka in A minor
XIV - Op. 24, No. 1: Mazurka in G minor
XV - Op. 24, No. 2: Mazurka in C major
XVI - Op. 24, No. 3: Mazurka in A-flat major
XVII - Op. 24, No. 4: Mazurka in B-flat minor
XVIII - Op. 30, No. 1: Mazurka in C minor
XIX - Op. 30, No. 2: Mazurka in B minor
XX - Op. 30, No. 3: Mazurka in D-flat major
XXI - Op. 30, No. 4: Mazurka in C-sharp minor
XXII - Op. 33, No. 1: Mazurka in G-sharp minor
XXIII - Op. 33, No. 2: Mazurka in D major
XXIV - Op. 33, No. 3: Mazurka in C major
XXV - Op. 33, No. 4: Mazurka in B minor