diff --git a/NOTES.md b/NOTES.md
index 559fd24..14ead04 100644
--- a/NOTES.md
+++ b/NOTES.md
@@ -1,33 +1,86 @@
-# mpd commands
+# features
 
-- [x] previous track
-- [x] next track
-- [x] stop
-- [x] play/pause
-- [x] set track progress
-- [x] set volume
-- [x] repeat queue
-- [x] shuffle queue
-- [ ] set fade
-- [ ] add track to queue
-- [ ] rm track from queue
-- [ ] move track in queue
-- [ ] clear queue
-- [ ] list tracks in music db
-- [ ] list playlists
-- [ ] save playlist
-- [ ] delete playlist
+## frontend
 
-# mpd state
+- Ribbon menu
+  - [x] Show mpd connection state
+  - [ ] Display config dialog (is this even needed?)
+  - [x] `Update DB` button
+    - [x] Disable if running update is detected
+  - [ ] `Previous Track` button
+  - [ ] `Next Track` button
+  - [x] `Stop` button
+  - [x] `Play` button
+    - [ ] `Pause` button
+  - [x] Track seeker
+  - [ ] `Repeat` toggle
+  - [ ] `Shuffle` toggle
+  - [ ] xfade
+    - [ ] decrease
+    - [ ] increase
+  - [x] Volume 
+    - [x] increase
+    - [x] decrease
+    - [x] set with bar
+  - [x] `Now playing`
+    - [x] shows current track
+    - [x] marquee effect
+  - [x] `Time`
+- Queue
+  - [x] Show queue
+  - [ ] Highlight current track
+  - [ ] Move track up
+  - [ ] Move track down
+  - [ ] Remove track
+  - [ ] `Clear queue` button?
+- File browser
+  - [ ] List all directories
+  - [ ] Open folders have different icon (📂 vs 📁)
+  - [ ] Folders with subfolders have a ➕ sign
+  - [ ] Clicked folders contents are displayed in the results
+  - [ ] Select tracks in results
+  - [ ] `Add` selected tracks to queue button
+- Search
+  - [ ] Search files results
+  - [ ] Select tracks in results
+  - [ ] `Add` selected tracks to queue button
+- Playlist browser
+  - [ ] Show current playlists
+  - [ ] `Replace` current queue with playlist button
+  - [ ] `Attach` playlist to current queue button
+  - [ ] `Save` current queue as playlist button
+    - [x] Show dialog
+  - [ ] `Delete` selected playlist button
+    
+## backend
 
-- [x] state ("play", "stop", "pause")
-- [x] repeat
-- [ ] shuffle
-- [ ] xfade
-- [x] volume
-- [x] track length/progress
-  - [x] track progress (seek)
-- [ ] track name
+- Websocket
+  - [ ] `#status` requests mpd infos:
+    - `status` 
+    - `currentsong`
+    - `playlistinfo`
+  - [ ] `#download` requests download of URL (`yt-dlp`)
+    - *TBA*
+- API endpoints
+  - [x] `/api/update_db`
+  - [x] `/api/previous_track`
+  - [x] `/api/next_track`
+  - [x] `/api/stop`
+  - [x] `/api/play`
+  - [ ] `/api/pause`
+  - [x] `/api/seek/:seconds`
+  - [ ] `/api/repeat`
+  - [ ] `/api/random`
+  - [x] `/api/volume/:level`
+  - [ ] `/api/xfade/:seconds`
+  - [ ] `/api/queue_clear`
+  - [ ] `/api/queue_add/:songid`
+  - [ ] `/api/queue_del/:songid`
+  - [ ] `/api/queue_move/:songid/:pos`
+  - [ ] `/api/list_database/:path`
+  - [ ] `/api/list_playlists`
+  - [ ] `/api/save_playlist`
+  - [ ] `/api/delete_playlist`
 
 
 # foo