File is an audio cassette tape recorded by Sheila Piercey of the opera "Die Fledermaus," undated with handwritten notes on the label inserted in the case that reads:
Side A: Act I Finale - Die Fledermaus, What a joy to be here, Laughing Song, Champagne's Delicious Bubbles, Sing to Love. Act II Finale - Die Fledermaus, Sonia's entrance Merry Widow, Vilia, Love in My Heart, Quite in the modern style, Merry Widow Waltz.
Side B: other surprises." Side B contains an audio recording of Sheila Piercey's recitals, practice sessions, and CBC radio recording between the 1950s and 1970s. She re-recorded those old recordings on April 5, 1989 and April 8, 1990, her thoughts and comments are included.