The Mere-Exposure Effect: How Casey Neistat Makes Pop-Songs

After watching a Casey Neistat vlog, something peculiar often happens. All day long I’ll find myself humming parts of the music from an episode. He’s created an earworm.
A catchy song or tune that runs continually through a person’s mind.
Earworm
Earworms aren’t peculiar though. They happen all the time. Just listen to a top 10 list on your way to work. You’ll be humming something too probably. What makes this peculiar is that the same song itself from the musicians SoundCloud page isn’t all that earwormy to me.
I mean no offense to the wonderful musicians often found in Casey’s work like Andrew Applepie, Jeff Kaale, and Maxzwell, but there’s something going on when these songs are mixed into Casey’s vlog.
What secret magic is Casey adding to these tunes?
David Huron is a professor in two different departments at Ohio State University. The School of Music...