Exporting a QT with multiple channels?

Curious... Am I able to export / create a QT file with multiple audio channels embedded?
I've a project with multiple tracks of audio. Now, of course, I know how to "pan" a track left / right to create a project with discrete tracks.
But, what if I have multiple tracks (vo, sfx, and STEREO audio.) Is there a way to create QuickTime file (exported from FCPX) with MORE than TWO audio tracks? For example, can I create a file with mono'd VO on one track... mono'd SFX on another... THEN... stereo music on two separate tracks? (for a total of four tracks.)
Please advise, and thanks.

dastoelk wrote:
Luis, many thanx!!!! You mind posting a quick screen shot showing the setting for "Roles as Multitrack Quicktime Movie?" Again... awesome!
No problem!
Here it is. Note that you can create as many audio tracks as you want, and they can each correspond to one or more roles (or sub-roles).
In the example, three audio tracks will be created, one each for Dialogue, Music, Effects; but you can do any combination of roles and/or sub-roles as you please.

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