diff --git a/.gitmodules b/.gitmodules
index 3037ef33..5996edb6 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -354,3 +354,6 @@
 [submodule "repos/Ahornberg"]
 	path = repos/Ahornberg
 	url = https://github.com/Coirt/Ahornberg-Microtonal.git
+[submodule "repos/Prism"]
+	path = repos/Prism
+	url = https://github.com/AmalgamatedHarmonics/Prism.git
diff --git a/repos/Prism b/repos/Prism
new file mode 160000
index 00000000..7ac4ddb5
--- /dev/null
+++ b/repos/Prism
@@ -0,0 +1 @@
+Subproject commit 7ac4ddb5fda2ecca781d97c73adba10ad6106384