In what could be the biggest deal ever for a single songwriter, Universal Music Publishing Group announced today (Dec. 7) that it had purchased Bob Dylan’s entire catalog of songs, from 1962 to the present, from Dylan himself. The terms of the deal were not disclosed, but the acquisition includes both publishing rights and Dylan's "writer's share," which together would be worth at least $100 million and perhaps several times that, based on the value of other catalogs. Dylan's publishing is