diff --git a/.gitmodules b/.gitmodules
index e3d4671e4..e9700cb1b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -37,3 +37,6 @@
 	path = extern/spdlog
 	url = https://github.com/gabime/spdlog.git
 	branch = v1.x
+[submodule "extern/musyx"]
+	path = extern/musyx
+	url = https://github.com/AxioDL/musyx.git
diff --git a/extern/musyx b/extern/musyx
new file mode 160000
index 000000000..a579f4d4a
--- /dev/null
+++ b/extern/musyx
@@ -0,0 +1 @@
+Subproject commit a579f4d4abbac1c67fddf0d361291320f81a7b6c