		* EDITING *
Write:
	string:"introSongFile"	store as string
	string:"mainSongFile"	store as string
	number:"fadeOutDelay"	store as number

read:	(editing)
	string:"introSongFile"	search & set selection in Intro list ("" = no search)
	string:"mainSongFile"	search & set selection in Intro list
	number:"fadeOutDelay"	set numericStepper



		* VIEWING *

read:	(editor preview - single line)
Displays:	"intro > main"
	string:"introSongFile"	shown
	string:"mainSongFile"	shown
	number:"fadeOutDelay"	---

read:	(tool tip)
Displays:	"fadeOut: # frames"
(play song?  (stop on rollOut)
	string:"introSongFile"	---
	string:"mainSongFile"	---
	number:"fadeOutDelay"	shown



		* GAMEPLAY *

read:	(game engine - Execution)
	string:"introSongFile"	loads & plays this once
					if mainSong is already playing, skip this.
	string:"mainSongFile"	preloads & plays this after intro (loops)
					if this is already playing, skip this.
	number:"fadeOutDelay"	fade out volume, then set mainSong to ""

