diff --git a/todo.txt b/todo.txt
index 8dc7b59..667d9de 100644
--- a/todo.txt
+++ b/todo.txt
@@ -1,3 +1,19 @@
+MOD fileTypes
+
+    - audioloop: Audio Loops, meant to be used for looper-style plugins
+    - audiorecording: Audio Recordings, triggered by plugins and stored in the unit
+    - audiosample: One-shot Audio Samples, meant to be used for sampler-style plugins
+    - audiotrack: Audio Tracks, meant to be used as full-performance/song or backtrack
+    - cabsim: Speaker Cabinets, meant as small IR audio files
+    - h2drumkit: Hydrogen Drumkits, must use h2drumkit file extension
+    - ir: Impulse Responses
+    - midiclip: MIDI Clips, to be used in sync with host tempo, must have mid or midi file extension
+    - midisong: MIDI Songs, meant to be used as full-performance/song or backtrack
+    - sf2: SF2 Instruments, must have sf2 or sf3 file extension
+    - sfz: SFZ Instruments, must have sfz file extension
+
+
+
 Main menu on Pixel 5 client.
 x1 bank menu (landscape pixel 5) should show current bank.