At her tone, before she had barely said anything, Tony was turning back to the piano, jaw set to not be overcome by this disappointment. He was mumbling, "Hm, well," as she spoke, eyes skipping over the keys, busily pulling his jacket closed again until he found his composure broken with a chuckle at her humble statement.
"Everybody's a caroler at Christmas," he encouraged with a wry grin, regaining his posture and his place over the keys. He didn't give her further chance to consider the request, launching into the song, keeping watch on his diva out of the corner of his eye.