Chopin: Ballade No. 1 In G Minor, Op. 23 - YouTube
Maurizio Pollini's Chopin Etudes Astonish 50 Years Later | Piano Street Magazine
Maurizio Pollini, Chopin – A Chopin Recital: Two Polonaises Opp. 44 & 53 ("Heroic"), Four Nocturnes Opp. 15 & 27, Ballade In G Minor Op. 23 (Vinyl) - Discogs