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doc/USAGE.md

@@ -123,6 +123,20 @@ Note the above is also affected by vgmstream's options *Enable common exts* (vgm
 will accept and play common files like `.wav` or `.ogg`), and *Enable unknown exts* (will
 try to play files outside the known extension list, which is often possible through *TXTH*).
 
+#### Default title
+By default *vgmstream* auto-generates a `title` tag depending on subsongs, stream name
+and other details. You can change this by setting *"override title"* in the options,
+that uses foobar's default (filename without extension) and tweating the display format
+in *Preferences > Display > Default User Interface* (may need to add some conditionals
+to handle files with/out subsongs). *vgmstream* automatically exports these tags:
+- `STREAM_INDEX`: current subsong, if file has subsongs, starts from 1
+- `STREAM_COUNT`: total subsongs, if file has subsongs
+- `STREAM_NAME`: internal name, that also exists in some formats without subsongs
+For example: `[%artist% - ]%title% [%stream_index%][/ %stream_name%]` 
+
+You can also set an unique *Destination* pattern when converting to .wav (even without)
+setting *override title*). For example `[$num(%stream_index%,2)] %filename%[-%stream_name%]` 
+may create a name like `02 BGM-EVENT_SAD`.
 
 #### Playlist issues
 A known quirk is that when loop options or tags change, playlist time/info won't
@@ -534,7 +548,8 @@ really opening it (should show "VGMSTREAM" somewhere in the file info), and
 try to remove a few other plugins.
 
 foobar's FFmpeg plugin and foo_adpcm are known to cause issues, but in
-modern versions (+1.4.x) you can configure plugin priority.
+modern versions (+1.4.x) you can configure plugin priority (go to *Preferences*
+then *playback > decoding* and move *vgmstream* higher or other plugins lower).
 
 In Audacious, vgmstream is set with slightly higher priority than FFmpeg,
 since it steals many formats that you normally want to loop (like `.adx`).