My favorite classical Duo-Art rolls are

6636-4 Benediction of God in the Solitude Liszt
  played by Alexander Siloti

6085 Valse de Fleurs Tchaikovsky
  arranged and played by Percy Grainger

6832-8 Ballade in A flat Major Chopin
  played by Ignace Jan Paderewski

6542-3 Barcarolle Chopin
  played by Arthur Rubinstein

6446 The Wind Alkan
  played by Harold Bauer

66010 Waldstein Sonata First Movement

6057 Kamennoi Ostrow No 22 Rubinstein
  played by Harold Bauer?

Chopin's Scherzo in B-flat Minor
  played by Josef Hofmann

Mendelssohn's Fingal's Cave Overture
  played by Hutcheson & Ganz

69680 Piano Concerto #1 Mendelssohn Backhaus
  played by Backhaus

7161-4, 71740 Organ Fantasia and Fugue - g Minor Bach-Liszt
  played by Percy Grainger

5060 Quartette Beethoven
  played by Harold Bauer

6118-0 Scherzo Chopin
  played by Josef Hofmann

Eliyahu Shahar