Dismukes then pulls out a ukelele and launches into a rendition of Train’s divisive 2009 smash hit “Hey, Soul Sister,” which has been derided by some publications as the worst song of the 2010s.

On Thursday, iTunes released its year-end “Rewind 2010” roundup, and Train’s radio-friendly single “Hey, Soul Sister” was the best-selling song and Eminem’s Recovery topped the albums ...