Normal Version: http://www.mediafire.com/download/sm1qvu9brnsuy3s/%5BMLP+x+Mario+Kart%5D+Twilight+Sparkle%27s+Delfino+Square.mp3#39;s_Delfino_Square.mp3
Final Lap Version: http://www.mediafire.com/download/9phj21bavkbss2u/%5BMLP+x+Mario+Kart%5D+Twilight+Sparkle%27s+Delfino+Square+FINAL+LAP.mp3#39;s_Delfino_Square_FINAL_LAP.mp3

Let me just say that Twilight Sparkle did an excellent job in that episode as she redeemed herself by making up to her friends in Canterlot, including Moon Dancer. Here's a mashup of Delfino Square, A True, True Friend, and At The Gala.

MLP by Hasbro
Mario Kart by Nintendo