This way the attention quotient is improved, and more of the weekend is left for participants to spend with their families. That's about it. No previous training or reading ability is needed, just the desire to improve. Nevertheless, twenty-year veteran worship leaders will gain lots of insights too.
Most guitarists have 'holes' in their knowledge.
It's like having several pieces to a jigsaw puzzle, but not being able to make out the big picture because of all the missing pieces. My job is to fill in those missing pieces, revealing an overall view of music and the instrument. Learning becomes logical and progressive once the overall vision is in place. Beyond these minimal requirements, it is very helpful to have music stands for everyone, an overhead projector and a small sound system for me. These are all things that we can discuss.