Matrix Details

• Matrix No.
  B-23953
• Company
• Title
  Etude in G flat, op. 10, no. 5 (Black keys), Etude in G flat op. 25, no. 9 (The butterfly)
• Master Size
• Notes

• Chopin - Etudes, Op. 10: No. 5 in G flat major
• Chopin - Etudes, Op. 25: No. 9 in G flat major

• Cortot, Alfred - piano

• 1920 - Chopin - Etudes, Op. 10: No. 5 in G flat major
• 1920 - Chopin - Etudes, Op. 25: No. 9 in G flat major
• 1923 - Chopin - Etudes, Op. 10: No. 5 in G flat major
• 1923 - Chopin - Etudes, Op. 25: No. 9 in G flat major