•Transcribing Piano Rolls, the Pythonic Way Computer programmer Zulko describes an alternative way to scan piano rolls in a blog post at http://zulko.github.io/blog/2014/02/12/transcribing-piano-rolls/ Zulko wanted to play "Limehouse Nights", by George Gershwin, but could not find the sheet music. I...

•A search on the early D-A upright expression box turns up little information on the 5-position switch labeled "Concert", "M P", "P P", "P Pedal", "Dance". I was able to sketch some of the expression box connections of the switch and may be able to puzzle out the rest once the expression box is rest...

•This is in reply to John Phillips, who recently inquired about the Duo-Art cross valve seat replacements. With respect to the Duo-Art cross valve seat replacements, permit me to share some history of them with you. The Duo-Art cross valve replacements were actually made by my deceased friend (may h...

•While cleaning and sorting through boxes of correspondence, I found a letter from Kay Harmas written back in November of 1974. This man from Evanston, Illinois, was a collector who drove around the country buying up stuff and visiting with other collectors. I remember him saying he had a Duo-Art(?)...

Well folks, here's the latest version of the Mechanical Music Sources listing. I combined the lists produced by Robbie Rhodes and Larry Fisher. I slightly modified Robbie's format, mostly breaking out each of the categories further, figuring there will be enough entries to fill them up in time. I re...

Here's the final (for now) list of Mechanical Music Sources. Thanks to all of you who supplied comments and additions (particularly Dan Wilson, Fritz Gellerman, Mathew Caulfied and Robbie Rhodes). As you can see, it has grown quite a bit. I've tried to include most of the comments sent my way. This ...

•[ Editor's note: [ [ This messages was forwarded to us by Hal Davis from [ the Hammond Organ mailing list. I'm sure some of you [ will find this completely boring, but some mechanical [ musical instruments DO have vacuum tubes in them... [ [ Jody Date: Thu, 16 Oct 1997 02:12:14 -0400 From: Harvey O...

•Assembled and edited by Paul Johnson (The Piano Roll Shop) Vendors: Please be aware that I do not have control over web sites that may copy this information for use at their site. I only control corrections to this master list. Requests to update information at a particular web site must be directe...

•Here is the updated Mechanical Music Sources update for 2/99. If you have any additions or corrections, please send them directly to me. Thanks, Kelly Goodman homerat@mindspring.com [ Thanks to Kelly (Steve Goodman's wife) for her work, and thanks too [ for the previous work by MMDer Paul Johnson o...