diff --git a/README.md b/README.md
index f35e9bd4..2f049e6f 100644
--- a/README.md
+++ b/README.md
@@ -160,13 +160,9 @@ copyparty returns a truncated sha512sum of your PUT/POST as base64; you can gene
 
 ## optional gpl stuff
 
-some bundled examples have copyleft dependencies:
-* [audio-bpm.py](./copyparty/mods/audio-bpm.py), enabled with `TODO`, detects the BPM of music using the BeatRoot Vamp Plugin; imports GPL2
-* [audio-key.py](./copyparty/mods/audio-key.py), enabled with `TODO`, detects the melodic key of music using the Mixxx fork of keyfinder; imports GPL3
+some bundled tools have copyleft dependencies, see [./bin/#mtag](bin/#mtag)
 
-these are not loaded or evaluated by default and are bundled as "plugins" (term used very loosely)
-
-each can be executed (through subprocess, not importing) during the analysis phase of `-e2ts` if enabled through the options mentioned above, kinda sounds like "arm's length" not that i'm qualified to say
+these are standalone and will never be imported / evaluated by copyparty
 
 
 # sfx
diff --git a/bin/README.md b/bin/README.md
index c47bfb4f..733a246f 100644
--- a/bin/README.md
+++ b/bin/README.md
@@ -39,3 +39,9 @@ you could replace winfsp with [dokan](https://github.com/dokan-dev/dokany/releas
 
 # copyparty-fuse-streaming.py
 * pretend this doesn't exist
+
+
+
+# mtag/
+* standalone programs which perform misc. file analysis
+* copyparty can soon Popen programs like these during file indexing to collect additional metadata
diff --git a/bin/mtag/README.md b/bin/mtag/README.md
new file mode 100644
index 00000000..58a8a8ac
--- /dev/null
+++ b/bin/mtag/README.md
@@ -0,0 +1,6 @@
+standalone programs which take an audio file as argument
+
+some of these rely on libraries which are not MIT-compatible
+
+* [audio-bpm.py](./audio-bpm.py) detects the BPM of music using the BeatRoot Vamp Plugin; imports GPL2
+* [audio-key.py](./audio-key.py) detects the melodic key of music using the Mixxx fork of keyfinder; imports GPL3
diff --git a/copyparty/mods/audio-bpm.py b/bin/mtag/audio-bpm.py
similarity index 100%
rename from copyparty/mods/audio-bpm.py
rename to bin/mtag/audio-bpm.py
diff --git a/copyparty/mods/audio-key.py b/bin/mtag/audio-key.py
similarity index 100%
rename from copyparty/mods/audio-key.py
rename to bin/mtag/audio-key.py