switch (event->type) {
case SND_SEQ_EVENT_CONTROLLER: {
printf("Controller %d changed to %d\n", event->data.control.param, event->data.control.value);
switch (event->type) {
case SND_SEQ_EVENT_CONTROLLER: {
printf("Controller %d changed to %d\n", event->data.control.param, event->data.control.value);