Severus snorted quietly and glanced at her over his beer as he drank, with a mildly reproachful expression. He was pretty sure she hadn't actually made a T. He remembered most of his Ts. But he had managed to forget a happy few.
"It only seems fair," he said, also teasing (but rather more deadpan). He could claim no informed opinions on modern music, but that wasn't usually enough to stop him from judging. The company was probably enough to make him keep his mouth shut, though. "Should I have heard of them?" He was sure he never had.