Ce message est en plusieurs parties sous format MIME. ---------------------- multipart/mixed attachment Sorry I did not notice the trichord study was not complete in english. I forward it in french for those who could be interested. Regards. Isaac OLEG ---------------------- multipart/mixed attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/b6/a6/f2/52/FTRICORD.htm ---------------------- multipart/mixed attachment--
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