1 files changed, 1 insertions, 0 deletions
diff --git a/src/midi.h b/src/midi.h
index fb85833..95976d7 100644
--- a/src/midi.h
+++ b/src/midi.h
@@ -53,6 +53,7 @@ typedef struct {
 #endif
 } midi_message_t;
 
+extern unsigned midi_base_scale = 0x3C;
 
 /* MIDI API */
 #ifdef MIDI_DYNAMIC_MEMORY_ALLOC