And, suddenly, Arlo 2 didn't know which was more important, singing along to the gremlins on the balcony or barking at the knock at the door. So she tried both, alternating between the two of them in a way that earned her a look of fascinated confusion from Rosa as she went to the door.

Alro 2 got that look a lot.

Taking a moment to check through the peephole that it wasn't more singing gremlins or annoying neighbors or anything like that, Rosa opened the door wide enough to step back and invite Tightpants in with a "Hey."