have you been following
Martin and his Marble machine X development? I stumbled on the Ondes Martenot as a diversion from finding out about the ondophone..
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gearanach #wankwankwank, Sun 14 Apr 2019, 10:03,
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nope but will have a look, thanks
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Mehitabel_Itrang, Sun 14 Apr 2019, 10:12,
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