text: A G minor piece by this composer begins with an ascending arpeggiated A-flat major chord beginning on C and played by both hands an octave apart, then transitions into 6/4 time to introduce the first theme.
full_question: A G minor piece by this composer begins with an ascending arpeggiated A-flat major chord beginning on C and played by both hands an octave apart, then transitions into 6/4 time to introduce the first theme. Towards the end of another of his pieces, the right hand rapidly and repeatedly plays C-flat, B-flat, C-natural, A before resolving into E-flat major chords, first broken, then blocked. This composer's posthumous Op. 72 includes a set of three brief Ã©cossaises. He proceeded via the circle of fifths through all the major and minor keys with his Op. 28 set of 24 standalone preludes. The third movement of his Piano Sonata No. 2 in B-flat minor is a well-known funeral march. For 10 points, name this Romantic pianist whose many mazurkas and polonaises built on traditional forms from his homeland, Poland.
first_sentence: A G minor piece by this composer begins with an ascending arpeggiated A-flat major chord beginning on C and played by both hands an octave apart, then transitions into 6/4 time to introduce the first theme.
raw_answer: Frederic Chopin