Twilight Sparkle, princess of friendship, held a speech at the Canterlot school for gifted unicorns about the Sonic Rainboom that made her and her friends discover their cutie marks. Inspired by the concept of simultaneously aquired cutie marks two students decide to further research this phenomenom. In an attempt to simulate the Sonic Rainboom of the princess one of them decides to perform a rather spectacular experiment...

Inspired by the Equestria Daily Writing Training grounds for "The Cutie Re-Mark", in which one of the available prompts was to write about some of the students from Twilight's class researching the concept of simultaneous cutie marks. I got this idea long after the deadline, but found it was cute and funny enough to still write this silly little story.