Go to Civ V in your Steam Library, right-click, go to "Properties" -> "DLC". All the content that comes with the GOTY version should be listed there. Also, you should find the soundtrack in your "steamapps\common\sid meier's civilization v\Assets\DLC\DLC_Deluxe\Soundtrack" folder.
For whatever reason there's no differentiation in name between the vanilla and GOTY copies upon activation, but the added content is still there for the GOTY version.
From what I seen across multiple PC Game threads over the course of time, you been a great help in the gaming forums. Thanks for always contributing in the threads
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[kicker618] DJ3xclusive = coolest op on slickdeals
[GBAstar] DJ3xclusive gets moderator of the year award from me. good job.
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