When there is a controversial or particularly interesting hearing, there will be even fewer places for the public once the press and departmental advisers are seated.
May seemed most comfortable attacking Labour over welfare, but it was also interesting hearing her respond to Corbyn's question about social care.
And so I tell him how, in our interview last month, it was interesting hearing Tyson celebrate the layered life of Panama Al Brown – who, apart from becoming boxing's first Hispanic world champion in the 1920s, had a long affair with the gay French writer and film-maker Jean Cocteau.
But it's also, says Goold, a great help to both of them in their work: 'I always find it really interesting hearing about other rehearsal rooms!' Perhaps it helps, too, to be with someone who understands the long hours he keeps.
It's interesting hearing Brazilian music being reinterpreted around the world, especially by alternative or acoustic acts.
It's interesting hearing people talk about it from a perspective of body positivity or whatever because all I was really talking about was just media.
