legacy key: kA1

Author: Wyliemaster

docs/resources/client/level-components/inner-level-string.md

@@ -15,6 +15,7 @@ The level start object is still an object and formated exactly like a normal [le
 
 | Key  | Name                   | Type                                        | Description                                                                                                    |
 |:-----|:-----------------------|:--------------------------------------------|:---------------------------------------------------------------------------------------------------------------|
+| kA1  | AudioTrack             | **Integer**                                 | The audio track which the level uses |
 | kA2  | Gamemode               | **[Gamemode](enumerations.md)**             | the gamemode the player starts with                                                                            |
 | kA3  | Mini Mode              | **bool**                                    | determines whether the player starts off as mini Mode                                                          |
 | kA4  | Speed                  | **[Speed](enumerations.md)**                | the speed of the level at the starts                                                                           |