I was only dimly aware that rockabilly guitar hero Horton Heat was still out there doing it. But he is, and his retro-two-times-over-now kitsch blitzkrieg outdrew Cloud Nothings, who were playing one tent over. It’s easy to see why: Cloud Nothings seemed completely overwhelmed by their surroundings, sounding lost and muddy, while the Rev. brought a level of showmanship that Dylan Baldi hasn’t yet even considered. Other than Angus Young, in fact, the Rev. had the day’s best guitar pyrotechnics. My favorite person in the crowd: The guy taking the opportunity to do impressive windmill routines to some grimy ’90s rockabilly. Do you, that guy!