"HIGH ON A HILL WAS A LONELY GOATHERD..."

You yodelled?

Enter Peeves, from far down the end of the corridor, determined to deliver his unruly gifts to as many delightful little students as he could but never too busy to be drawn towards disruption, noise, and chaos. Also angst. The Gryffindors usually had at least one going on.

Also, he'd brought his book.

He screeched to a halt just before the old girl's portrait, and turned his evil grin to the wee ickle lions lingering outside of it.

"LaY-eE-oDL-LaY-eE-OdL-LaY-HeE-HOO!"

Flipping the pages during his rendition, he flung some surreptitious magic - a gift! - towards the one girl (Vera) on the final hoo. As things of great import were often performed.