fluidsynth

$ amidi -l
Dir Device    Name
IO  hw:1,0,0  Q Mini MIDI 1
 

Use fluidsynth to play Q mini keyboard: 

$ fluidsynth -a pulseaudio -m alsa_raw -o "midi.alsa.device=hw:1,0,0" -o synth.polyphony=64  -g 1.0 "GeneralUser GS v1.471.sf2"

>inst 1 

000-000 Stereo Grand
000-001 Bright Grand
000-002 Electric Grand
000-003 Honky-Tonk
000-004 Tine Electric Piano
000-005 FM Electric Piano
000-006 Harpsichord
000-007 Clavinet
000-008 Celeste
000-009 Glockenspiel
000-010 Music Box
000-011 Vibraphone
000-012 Marimba
000-013 Xylophone
000-014 Tubular Bells
000-015 Dulcimer 

#select Dulcimer 

> select 0 0 0 15
 

> channels
chan 0, Dulcimer
chan 1, Stereo Grand
chan 2, Stereo Grand
chan 3, Stereo Grand
...