[If his expansive smile is anything to go by, the idea of singing is one that pleases him.]

Oh, I'm sure you're much better than you think. And I'm not sure being able to carry a tune really matters once you've had...however many drinks we've had.

[He has limited singing ability himself. He's not terrible, but nor is he great, though somehow he manages to pull off duets far better than he does singing alone. All the more reason to be encouraging, he thinks.]

We could sing sea shanties! I know a good few of those. And a couple of traditional Nevivon tunes which, to be honest, are much the same as sea shanties...

[Geralt, look what you've done.]