6.3
Canción inolvidable
 Presupuesto: $0 
  Ingresos: $0 
  Director:   Charles Vidor    
   Estado: Released 
  Duración: 1h 53min 
  Países de producción:  United States of America  
 
 Professor Joseph Elsner
 George Sand
 Frédéric Chopin
 Constantia
 Louis Pleyel
 Friedrich Kalkbrenner
 Franz Liszt
 Henri Dupont (uncredited)
 Isabelle Chopin - Age 9 (uncredited)
 Lackey (uncredited)
 Duke of Orleans (uncredited)
 Titus (uncredited)
 Man at Pleyel's (uncredited)
 Duchess of Orleans (uncredited)
 Madame Mercier (uncredited)
 Madame Lambert (uncredited)
 Guest at Pleyel Hall Concert (uncredited)
 Young Russian (uncredited)
 Servant (uncredited)
 Madame Chopin (uncredited)
 Concert Attendee (uncredited)
 Countess (uncredited)
 Postman (uncredited)
 Alfred DeMusset (uncredited)
 Student (uncredited)
 Guest at Salon Concert (uncredited)
 Guest at Duke of Orleans (uncredited)
 Monsieur Jollet (uncredited)
 Lackey (uncredited)
 Man at Berlin Concert (uncredited)
 Monsieur Chopin (uncredited)
 Guest at 1st Pleyel Concert (uncredited)
 Russian Governor (uncredited)
 Waiter (uncredited)
 Pleyel's Clerk (uncredited)