oh I was singing mr brightside and thought everyone was in bed but then the shower suddenly stopped (someone running the water downstairs) so they had walked past the bathroom.
Contrary to your beliefs, I have evidence from 'Thunderbird 6', which affirms that talking loudly with the shower on shields all. Although the Hood's plan actually did nearly pull off. Yes.
Only if they're outside the door, there's a fan in there wihch tends to drown the noise out, which is a goood thing if you've heard my brother sing in the shower!!