Well he went from glammy/hair metal (southgang) to power pop (Marv3/first solo) to radio friendly pop (Letters) to john mayer touchy feely songs (Sycamore Meadows) to ed shenan folksy pop (The Spade) to singer songwriter (Afraid of Ghosts) to retro 80s (Stay Gold)

and being big in the business behind the board i'm sure he has his ear to the on the edge/upcoming trends, if you don't think that he thinks about that when writing/recording, it's a business to him and good on him for it.

I like most of the stuff he has released, just don't think he is that original, just better than most that do it. love his voice and vocal delivery