I think my knowledge of music theory is rooted in jazz theory and a lot of the writers of standards - Rodgers and Hart and Gershwin.
I totally related to Cole Porter's magnetic pull to any piano that was in the room which he was famous for doing as was Gershwin. You couldn't drag them away from a piano.
As a result of the digital age and the decline of first-class mail there is no question that the Postal Service must change and develop a new business model.