How much of the general karaoke singing is an assault on his aural receptors is a matter of taste. But one thing's for certain; he'd much rather watch and listen to the impromptu singing than be the centre of attention.
He's away from the general ruckus of the party, so when she sits near him, he comments, "Wow, aren't you tired? You've been at it for a while."
party isn't over
He's away from the general ruckus of the party, so when she sits near him, he comments, "Wow, aren't you tired? You've been at it for a while."