No-one’s going to buy a half-written novel. No-one’s going to read a blog post that stops short after two paragraphs. So whether your writing aspirations involve hitting the New York Times bestseller list or living from the passive income from your ebooks, you need to finish what you start.
Even though this article is targeted at authors I can see a lot of parallels with songwriting in it.
I too am really good at starting projects but not very good at finishing them. This is very helpful