harryhaaren at gmail.com wrote: > On , thijs van severen <thijsvanseveren at gmail.com> wrote: >> any ideas ? > > Yup! Tell jack to not use ALSA raw midi, use SEQ instead. Raw MIDI ports do not allow sharing, so you have to tell all programs you want to use at the same time to use the ALSA sequencer. Instead of amidi, use aseqdump. Regards, Clemens