person A: Last week I saw a three piece rock band that sounded so huge that I was sure they were playing with a backing track. I asked their tech_comma_ and checked their equipment and guess what!? It was just them!
person B: It was who_comma_who were them?
person A: I'm sorry if I was unclear_comma_ I mean that the band were playing completely live (with no backing track).
person B: Ok_comma_thats amusing