This is a good article. Talks about the 80/20 Rule. It's aimed towards engineering but I think there's a lot you can take away from it as a musician and guitarist.

The Myth of a Thousand Little Choices

For me, it helps to focus on clearing my head from the minute details and work with the bigger picture. I also score for some projects and my hardest part is just getting started. I think I will try this next time.

Thoughts?