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docs/window-likes/audio-player.md

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+Audio player with playlist and folder support.
+
+## Commands
+
+Type to write commands, backspace to delete last character, and enter to run command.
+
+- `t`: Toggle pause/play
+- `l`: Next/skip
+- `j`: Volume down
+- `k`: Volume up
+- `b <dir>`: Set base directory (`<dir>` is path)
+- `p <dir / playlist file>`: Play audio files in `<dir>` or play the songs listed in the `<playlist file>`. Unless paths are absolute, they will be relative to the directory specified by the `b <dir>` command
+
+## Playlists
+
+Example playlist file:
+
+```
+hanyuu-maigo/オノマトペ
+inabakumori/*
+iyowa/*
+kai/さよならプリンセス
+```