What does the woman mean?

M: Do you ever know what Harry is talking about?
W: Never, he always beats around the bush.
M: Do you think Mark took your bike?
M: Yes, but I think it was a mistake. He’d never have taken them on purpose. He’s just absent-minded.
M: Can you accompany me while I am singing?
W: I don’t play very well, but I will give it a try.