diff --git a/.gitmodules b/.gitmodules
index 53d7ecd..c1c2a77 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "external/google-test"]
 	path = external/google-test
 	url = https://github.com/google/googletest.git
+[submodule "external/midi-usb"]
+	path = external/midi-usb
+	url = https://github.com/arduino-libraries/MIDIUSB.git
diff --git a/external/midi-usb b/external/midi-usb
new file mode 160000
index 0000000..0a1ef74
--- /dev/null
+++ b/external/midi-usb
@@ -0,0 +1 @@
+Subproject commit 0a1ef7498dad7904d2a54530616f418dcba9197c