"Known you too long not to know you well," he said, though he didn't know if that made sense. He was very sleepy now, and the soft music wasn't making things better. "I like that song." He fell silent as he listened to Bryn sing, grinning as he recognized the song.
At the chorus he sang along, but kept his voice quieter than Bryn's, letting him take the lead on the song. They hadn't done this in awhile, just the two of them and the music. It was nice.