Gotta admit, when Braden first posted this query, I thought it'd be straightforward but couldn't figure it out so gave up.
I've just tried your method Cheema, (which is what I thought when I tried it) but can't get that to work.
Whether or not the menu items are links to the media or the media itself (ie whether the icon is a "chain" or a "film clip", if I change the selected audio track on one, it changes on the other as well.
I must be missing something.

A work around would be to treat the tracks as separate languages, but that's not really a solution.

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Tim