Still not telling anything about the story in the story title :P Just read to find out.

Simply a Crossover between Phineas and Ferb and My Little Pony.

Another story about Rainbow Dash, Scootaloo and Scootaloo's wings. But because of a friendly bet gone wrong, Rainbow and Scootaloo are being separated, and Scootaloo has to follow a new 'idol'...