Hey All,
I have been trying to improve my songwriting skills, and after much searching I came across what I think is one of the best YouTube channels dedicated to guitar-centric songwriting. It’s called Signals Music Studio: https://www.youtube.com/channel/UCRDDHLvQb8HjE2r7_ZuNtWA
Here is one cool example where he builds a short Proggy tune from scratch: