[baddox]

There's even plenty of music theory to learn with Miley Cyrus, particularly if you want to know about just intonation and harmonic theory. Even the simplest and most ubiquitous pop chord progressions with just I IV and V require a fair amount of harmonic theory to reason about.

[tomsthumb]

A number of more talented musicians than myself have also remarked that there is actually a lot of weird stuff going in top 40 music. It's so bland and repetitive that they have to do something different for it to be memorable; it's just not the focus of the song.

[baddox]

That's pretty much the definition of pop music, or at least good pop music.