19:38:27.486 Qsynth1: Creating synthesizer engine...
19:38:27.507 Qsynth1: Loading soundfont: "/usr/share/sounds/sf2/FluidR3_GM.sf2" (bank offset 0)...
19:38:27.829 Qsynth1: Creating audio driver (alsa)...
19:38:27.836 Qsynth1: Failed to create the audio driver (alsa). Cannot continue without it.
fluidsynth: prog	0	0	0
fluidsynth: prog	1	0	0
fluidsynth: prog	2	0	0
fluidsynth: prog	3	0	0
fluidsynth: prog	4	0	0
fluidsynth: prog	5	0	0
fluidsynth: prog	6	0	0
fluidsynth: prog	7	0	0
fluidsynth: prog	8	0	0
fluidsynth: prog	9	128	0
fluidsynth: prog	10	0	0
fluidsynth: prog	11	0	0
fluidsynth: prog	12	0	0
fluidsynth: prog	13	0	0
fluidsynth: prog	14	0	0
fluidsynth: prog	15	0	0
ALSA lib pcm_dmix.c:1018:(snd_pcm_dmix_open) unable to open slave
fluidsynth: error: The "default" audio device is used by another application

19:39:50.653 Qsynth1: Unloading soundfont: "/usr/share/sounds/sf2/FluidR3_GM.sf2" (SFID=1)...
19:39:50.654 Qsynth1: Destroying synthesizer engine...
19:39:50.656 Qsynth1: Synthesizer engine terminated.