Welcome to my home, stranger. The door is always open to those with the will to pass the threshold. If you're here by appointment, then proceed, and bide your time.
Otherwise, I'd be remiss if I didn't inform you about the defensive mechanisms employed here, which are quite formidable. Many have entered without invitation, for reasons as myriad as the fish in the Ocean. But of those who've dared to explore further, very few have found their way back out.
The audiograph can be found in the foyer of the Clockwork Mansion, during the mission of the same name.