musicplus-demo.md

@@ -23,7 +23,7 @@ Meta-Branches (combo of multiple branches)
 * [musicplus-mx-mpt](https://git.magicalgirl.moe/digiku/SRB2/tree/public-musicplus-mx-mpt) - Merge of `musicplus-sdlmixerx` and `musicplus-libopenmpt`
 * [musicplus-demo](https://git.magicalgirl.moe/digiku/SRB2/tree/public-musicplus-demo) - Merge of all music branches
 
-## YouTube
+# YouTube
 
 * [Post-boss music](https://www.youtube.com/watch?v=ebnnnnwSKR4&index=2&list=PLVIEmOPX_YO1sFlGCLZA1Q-ujL30rTM3b) - By level header
 * [Fade music scenarios](https://www.youtube.com/watch?v=QSBjUThemKI&index=3&list=PLVIEmOPX_YO1sFlGCLZA1Q-ujL30rTM3b) - Dying, level end, warping
@@ -32,7 +32,15 @@ Meta-Branches (combo of multiple branches)
 * [Ambient music streams](https://www.youtube.com/watch?v=dhwETGwA7m8&index=6&list=PLVIEmOPX_YO1sFlGCLZA1Q-ujL30rTM3b) - Switch between music "tracks" with the same position. Listen with headphones! *(WIP, not in demo)*
 * [Speed shoes music](https://www.youtube.com/watch?v=noD2FVEqAuY&index=7&list=PLVIEmOPX_YO1sFlGCLZA1Q-ujL30rTM3b) - Same concept, just with different track lengths *(WIP, not in demo)*
 
-
-## Download Demo
+# Download Demo
 
 * Forthcoming
+
+# Music Length Tagger
+
+In order for the jingle resume feature to work properly, music lumps must be tagged with `LENGTHMS=`. Use this utility to automatically tag each music in a given WADfile.
+
+* [musiclengthms.zip](https://www.dropbox.com/s/y5hewbdo7um1aha/musiclengthms.zip?dl=0)
+* [Source](https://git.magicalgirl.moe/digiku/musictagger)
+
+`musicplus-demo` on Windows does not need this because it uses SDL Mixer X to tell song length. This branch, all other branches, and Linux, need this tag.
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