The creative act is like writing a letter. A letter is a project; you don't sit down to write a letter unless you know what you want to say and to whom you want to say it.
I mean there are tons of reasons. Well first of all. I write my own record. I don't take other people's materials. And I have a job which is being Willa Ford on top of getting back in the studio and writing and recording.
They're hit writers. They're gonna write me a hit whether I wanted it or not you know? I could have put out a single a year ago with the Neptunes and maybe been writing now on top but that was not the path that I chose.
I began the way nearly everybody I ever heard of - I began writing poetry. And I find that to be quite usual with writers, their trying their hand at poetry.
I used to write sonnets and various things, and moved from there into writing prose, which, incidentally, is a lot more interesting than poetry, including the rhythms of prose.
If you want to study writing, read Dickens. That's how to study writing, or Faulkner, or D.H. Lawrence, or John Keats. They can teach you everything you need to know about writing.