Talk:A Canterlot Wedding - Part 2/@comment-24.165.133.93-20120731154950/@comment-2170890-20120731204023

The first time she performed the Sonic Rainboom it was not only an accident, she was also young so he had no idea how she did it. It was also a sort of "accident" (but not completely) the second time she did it. However, after pulling it off for the second time she probably learned how to control them