If I can hear the music you're playing through a closed door that usually keeps the traffic noises of a busy shopping street at bay so loud and clear, you're playing it MUCH TOO LOUD.
And one of them just walked in - I'd say high school age. To say that one of our window ads was spelled wrong. And when I suggested that the radio was might be too loud, he said, "I just got new batteries. I love my radio." But he took the suggestion.