Hello from France!  After the player piano --
  http://gpto6.blog4ever.com/blog/index-330785.html 
    GPTO6 pneumatic piano with valve and MIDI card
    Welcome to the blog!

we have work with an accordion the video --
  http://www.dailymotion.com/video/xbagzs_accordeon-automatique_music 
    Accordéon automatique

and the photos --
  http://gpto6.blog4ever.com/blog/photos-cat-330785-1948552289-accordeon_midi.html 
    GPTO6 pneumatic piano with valve and MIDI card
    MIDI accordion category:
    step by step photos of the midification of an accordion

Please look also at all videos:
  http://www.dailymotion.com/GPTO1/1 

Musicalement,
Philippe Cichon
Rosny-sous-bois, France (near Paris)

 [ Philippe Cichon is the organizer of the GPTO project.  He says
 [ GPTO stands for Groupe de Progrès Technique de l'Orgue (Group of
 [ Technical Progress of the Organ) but nobody believes him!
 [
 [ At http://gpto2.blog4ever.com/blog/index-91095.html :
 [   This site (or rather this blog) is dedicated to the technique of
 [   construction of a barrel organ for amateurs (its functioning and
 [   all that surrounds its fabrication), and our unique use of
 [   tangential membrane valves (VMT) and concentric membrane valves
 [   (VMC).  GPTO2 is the second organ built by Joseph Sauvé,
 [   nicknamed GPTO.
 [
 [ Near the middle of the web page is a photo of Philippe (on the left)
 [ with Joseph Sauvé, celebrating another success!
 [
 [ -- Robbie