--- fluidsynth/src/synth/fluid_synth.c.orig	2015-04-11 21:55:47.000000000 +0200
+++ fluidsynth/src/synth/fluid_synth.c	2015-04-19 14:06:11.835456740 +0200
@@ -2479,7 +2479,7 @@
 
   /* Then, run one_block() and copy till we have 'len' samples  */
   while (count < len) {
-    fluid_rvoice_mixer_set_mix_fx(synth->eventhandler->mixer, 0);
+    fluid_rvoice_mixer_set_mix_fx(synth->eventhandler->mixer, 1); /* reverb on output 0 */
     fluid_synth_render_blocks(synth, 1); // TODO: 
     fluid_rvoice_mixer_get_bufs(synth->eventhandler->mixer, &left_in, &right_in);