diff --git a/cli_commands.md b/cli_commands.md
index dc375d1..19d6a00 100644
--- a/cli_commands.md
+++ b/cli_commands.md
@@ -168,4 +168,26 @@ rclone copy file_location file_destination \
  --log-file rclone.log \
  --log-level INFO
 
+# PDF sheetmusic commands
+
+## check size
+
+`pdfinfo filename.pdf`
+
+## resize to letter
+
+`gs -sDEVICE=pdfwrite \
+   -sPAPERSIZE=letter \
+   -dFIXEDMEDIA \
+   -dPDFFitPage \
+   -dNOPAUSE -dBATCH \
+   -sOutputFile=output.pdf input.pdf`
+
+## batch resize to letter
+
+`mkdir -p resized_music
+for f in *.pdf; do
+  gs -sDEVICE=pdfwrite -sPAPERSIZE=letter -dFIXEDMEDIA -dPDFFitPage -dNOPAUSE -dBATCH -sOutputFile="resized_music/$f" "$f"
+done`
+
 > > > > > > > f99d1ed ([nb] Edit: cli_commands.md)