First Encounter, page 3.

Painting: Shouldn't you be at the Sorting ceremony?

The ghosts sail by in a stately manner..

Sirius: This place is awesome!

Plant: Eeeeeeek!

We're encountering strange music and unpleasant plants.
If we're quiet, the talking we can hear is endless.

[sound effect: "pou" (not sure.. a light?)]