--- SpiralSound/Midi.h.orig	Thu Nov  7 23:07:00 2002
+++ SpiralSound/Midi.h	Thu Nov  7 23:07:20 2002
@@ -22,6 +22,7 @@
 #include <unistd.h>
 #include <iostream>
 #include <limits.h>
+#include <pthread.h>
 #include <queue>
 #include <string>