tuba sousaphone instrument DEFINITELY in the tuba family on Muni, no bigs
Update (7:22 a.m., next day): I love the internet. And I’m a total idiot. That ain’t no tuba. It’s a sousaphone, as pointed out by, oh, hella commenters. Thanks, guys!
Original post: As spotted and tweeted by @emiliecole. On his way to marching band practice, maybe?