| polyphonic synthesiser elektor may 1982 - 5-17 polyphonie s"idi~e).%ise,ir GoÃàtz and R. Mester the digital keyboard assembly and debounce c...
| polyphonic synthesiser elektor may 1982 - 5-17 polyphonie s"idi~e).%ise,ir GoÃàtz and R. Mester the digital keyboard assembly and debounce c...