Do we need to have 280 brands of breakfast cereal? No, probably not. But we have them for a reason - because some people like them. It's the same with baseball statistics.
“Training is full-on. Some days I really don't want to get out of bed and hit that track again. Sunday and Monday morning sessions are always horrible. But who really looks forward to going to work on a Monday morning?”
“When I am seriously composing, sometimes a phrase will come into my head, a catch phrase. When I was writing pop songs for a few years, as a career, separate from my folksinging career, I used to write songs for pop singers.”