Re. Editor's comment in 190129 MMDigest on "Reine de musette" --
>[ While playing "Reine de Musette" this homemade crank-organ
>[ displays a jolly sound and impressive repetition capability.
>[ Is it playing book music using a key-type reader?
No, I don't see any book going through, so most likely it's played
by a MIDI system.
By the way, "Reine de musette" is a very common 49/52-key book, too.
Coquitlam, British Columbia, Canada