Strangely enough, a lot of INTPs seem to like electronica and death metal, both of which I can't stand. A lot of what I like isn't very deep, maybe, but there's a lot of complexity to the music itself, once you take it apart. A lot of classic rock falls into this category. What I can't stand about electronica is that they've standardized the drum and bass parts, therefore automatically removing a large chunk of the foundation of an interesting song.
One thing I love about the early Beatles stuff is that the songs were so seemingly simple (She loves you / Yeah, yeah, yeah), but they had a raw power and interesting chord progressions and fabulous high-third harmonies.
You mentioned Tom Petty earlier--most of his songs are just three or four easy chords, it's true. But he really is a master of language and telling a story in the most economical, but memorable, way possible. It's like he's having a conversation with his listeners, which is MUCH harder to do than it seems.