What Happens When You Slow Down the Jurassic Park Theme by 90 Percent? Matt Cherette · 01/17/11 02:30AM Remember when somebody slowed down Justin Bieber's "U Smile" by 80% and it became a haunting ballad? Well, I'll do you one better: here's John Williams' Jurassic Park theme, slowed down 90%—10 times as long, infinitely more awesome.