diff --git a/bin/mtag/audio-key.py b/bin/mtag/audio-key.py
index 9d79ebbd..9aad256b 100755
--- a/bin/mtag/audio-key.py
+++ b/bin/mtag/audio-key.py
@@ -4,13 +4,19 @@ import os
 import sys
 import tempfile
 import subprocess as sp
-import keyfinder
+
+try:
+    import keyfinder
+
+    PKF = True
+except:
+    PKF = False
 
 from copyparty.util import fsenc
 
 """
 dep: github/mixxxdj/libkeyfinder
-dep: pypi/keyfinder
+dep: pypi/keyfinder  -OR-  EvanPurkhiser/keyfinder-cli
 dep: ffmpeg
 """
 
@@ -35,7 +41,17 @@ def det(tf):
     ])
     # fmt: on
 
-    print(keyfinder.key(tf).camelot())
+    if PKF:
+        print(keyfinder.key(tf).camelot())
+    else:
+        # fmt: off
+        sp.check_call([
+            b"keyfinder-cli",
+            b"-n",
+            b"camelot",
+            fsenc(tf)
+        ])
+        # fmt: on
 
 
 def main():
diff --git a/bin/mtag/install-deps.sh b/bin/mtag/install-deps.sh
index 55473911..811a8263 100755
--- a/bin/mtag/install-deps.sh
+++ b/bin/mtag/install-deps.sh
@@ -155,6 +155,11 @@ install_keyfinder() {
 		return
 	}
 
+	(cat /etc/alpine-release || echo a) 2>&1 | grep -E '3\.2[3-9]' && {
+		echo "alpine too new; ffmpeg8 is keyfinder-py incompat; giving up"
+		return
+	}
+
 	cd "$td"
 	github_tarball https://api.github.com/repos/mixxxdj/libkeyfinder/releases/latest
 	ls -al
@@ -189,7 +194,7 @@ install_keyfinder() {
 		exit 1
 	}
 
-	x=${-//[^x]/}; set -x; cat /etc/alpine-release
+	x=${-//[^x]/}; set -x; cat /etc/alpine-release || true
 	# rm -rf /Users/ed/Library/Python/3.9/lib/python/site-packages/*keyfinder*
 	CFLAGS="-I$h/pe/keyfinder/include -I/opt/local/include -I/usr/include/ffmpeg" \
 	CXXFLAGS="-I$h/pe/keyfinder/include -I/opt/local/include -I/usr/include/ffmpeg" \
diff --git a/scripts/docker/Dockerfile.dj b/scripts/docker/Dockerfile.dj
index b377537b..68d56dd2 100644
--- a/scripts/docker/Dockerfile.dj
+++ b/scripts/docker/Dockerfile.dj
@@ -18,7 +18,7 @@ RUN     apk add -U !pyc \
             py3-magic \
             vips-jxl vips-heif vips-poppler vips-magick \
             py3-numpy fftw libsndfile \
-            vamp-sdk vamp-sdk-libs \
+            vamp-sdk vamp-sdk-libs keyfinder-cli \
             libraw py3-numpy cython \
         && apk add -t .bd \
             bash wget gcc g++ make cmake patchelf \