There: http://lists.linuxaudio.org/pipermail/linux-audio-dev/2013-December/034509.html
First stuff, i'm to point to is qsampler - among other improvements seems to support instrument selection for sf2/sfz now. And i did not see ebuilds for qmidinet/qmidictl at all. Imho, these tools should be handy. Not sure, wether they can interact with netjack.
