I always wear headphones, but only keep one earbud in. I had one guy today on the phone, no headphones or anything, and I said Sir, 3 times before yelling YO, DUDE. Then he turns around and stares at me with this look like, what?
I'll tell you what, get the fuck out of the middle of the sidewalk.
I might try wearing my speaker, but I don't think the public would appreciate my music.