person A: I found an old concert t-shirt from a concert I went too in highschool.
person B: Cool! What style of music? 
person A: Deftones. They're an "alt metal" band
person B: Ah I've heard of them_comma_ they used to be played on some of the local rock stations. Love a tour t-shirt_comma_ always means you might make a friend if you wear it out as other fans are bound to compliment you!
person A: Yeah_comma_ I haven't listened to them in years.