If Zootopia has always been hits radio powerhouse Z100’s snapshot of where pop music stands at a given time, this year’s edition was a high school yearbook photo.Bookended by Miley Cyrus and the Jonas Brothers, the four-hour revue was all about teen pop – either building it, as the Disney stars currently are, reliving it, as the reunited New Kids on the Block did, or graduating from it, like Jesse McCartney.

If Zootopia has always been hits radio powerhouse Z100’s snapshot of where pop music stands at a given time, this year’s edition was a high school yearbook photo.

Bookended by Miley Cyrus and the Jonas Brothers, the four-hour revue was all about teen pop – either building it, as the Disney stars currently are, reliving it, as the reunited New Kids on the Block did, or graduating from it, like Jesse McCartney.