diff --git a/bin/make_spectrograms b/bin/make_spectrograms
new file mode 100644
--- /dev/null
+++ b/bin/make_spectrograms
@@ -0,0 +1,5 @@
+#!/bin/zsh
+
+for x ($LIGHT9_SHOW/music/*) {
+  sox $x -n remix 1 rate 3k spectrogram -X 50 -y 100 -z 80 -m -r -o $LIGHT9_SHOW/spectrogram/$x:t:r.png
+}