Whatcha Doin'?
Isabella
| Trajanje : 01:17
Kompozitor: Dan Povenmire, Jeff "Swampy" Marsh, Michael Gerard Culross Jr.
Ova numera se nalazi na 5 sledećim albumima:
Phineas and Ferb: Across the 1st and 2nd Dimensions
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Phineas And Ferb: Across The 1st And 2nd Dimensions
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Phineas E Ferb O Filme: Através Da 2a Dimensão (Phineas & Ferb)
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Phineas and Ferb: Across the 1st and 2nd Dimensions
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Fines i Ferb: Pokorenie pervogo i vtorogo izmereniy (Muzyka iz animacionnoigo filma)
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