Leon had only glanced up briefly as Liz was moving towards the front, before glancing back to his gun, not anti-social, but just letting the woman do as she pleased and not interrupting what might potentially be an errand she was on.

Even when Liz came near and leaned on the railing, he said nothing, seeming content to keep humming and let her speak or not speak. When she did, he smirked just a tad bit, though. "Was either that or Dead or Alive, and somehow that song seemed a bit too dreary."

Because, obviously, the one he was singing was all flowers and sunshine.