sorry @fesle23 , we were still discussing the plastic bag piece from the start of the thread.
Did your student perhaps compose that piece all on his/her own? 
Fantastic, a beautiful edition!
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no, at that time the student was 10 years of age. I gave her the piece to learn.
so it must have been there before.
Looks like something from a Thompson’s Piano Course, something like that…
don’t think so. The recording is from 1982
Yes, but unfortunately not very well suited to safeguarding the environment and the well-being of the planet… 
It’s certainly the best solution that the bag has sensibly been kept under surveillance for decades. Of course, if we manage to find the source edition of that piece, we could print paper bags with the Polonaise on them. It would be interesting to know if that music shop still exists.
Just demonstrates the plasticity of Bach’s technique.
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In the mean time I have found the edition:
Bach: Twenty Easy Pieces from the Anna Magdalena Notenbuch
By Johann Sebastian Bach
Piano Book
Kalmus
Here is a sample page.
The Polonaise would be No. 5 (page 6)
K03054.pdf (172.5 KB)
- of course we don’t know from where Kalmus “obtained” that edition. Kalmus published classical works that had entered the public domain in the US as inexpensive reprint editions…
- the people designing the plastic bag cleverly omitted the title “Polonaise” to make it a bit more challenging for us.
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