On 13/11/2020 07:01, Simon Matter wrote: >> On 12/11/2020 17:26, Ralf Prengel wrote: >>> Hallo, >>> witch virtualizer are you using. >> >> KVM/QEMU >> >>> Sure that the virtual sound-device is connected with the right hardware? >> >> I can play CDs and listen to YouTube on the host, so I'm assuming the >> hardware is fine. > > I don't know how this works here but doesn't playing MIDI files mean you > need a MIDI capable sound card which generates the sound? Maybe the > virtual sound-device is only capable to play audio? > > Regards, > Simon > Very good point. I will investigate further. I had two models in my head: 1) The Frescobaldi playback module did the MIDI-> sound conversion. 2) The virtual card passed the signals on to the physical card. Perhaps your third model is correct. -- J Martin Rushton MBCS