Did you spot the (very) well-hidden easter egg in the GDC 2011 Legend of Zelda: Skyward Sword trailer's theme song? Chances are you didn't, but let's see if you can after watching the video below. My mind was blown away. [youtube]PPWBJ7TV-Xk[/youtube] If you still don't get it: Warning: Spoilers inside! When the video begins to play in reverse, listen carefully to the orchestrated music in the background. Turns out, the entire trailer's theme was a complete reversal of Zelda's Lullaby.