> Although most of the melodies are familiar, the only title we
> know for certain is the last tune, "Finale from William Tell
> Overture", by Rossini, at time 8:32.

Hello. I have this recording on the "Eighty-Eight Note" label,
roll no. 837, "Echoes From The Metropolitan Opera House",
arranged by Theodore Moses-Tobani. Titles on the label are

1. Le Prophete [0:00 "Coronation march"]
2. Aida
3. Cavalleria Rusticana
4. Boabdil Ballet [3:46 "Moszkowski Waltz"]
5. Tannhauser
6. Nibelungen Ring
7. Pagliacci
8. William Tell

The music sounds note-for-note identical to the recorded QRS roll at
https://www.mmdigest.com/Archives/Digests/202109/2021.09.02.01.html 

Mark J Labancz

 [ Found at https://bandmusicpdf.org/echoesopera-br/ 
 [ "Echoes From The Metropolitan Opera House", Op. 252,
 [ by Theo. M. Tobani, (C) 1901 by Carl Fischer, New York.
 [ The box label of QRS 20127 is pictured at
 [ https://collection.maas.museum/object/241172 
 [ -- Robbie