Before you can run, you have to walk. We start with 50 essential progressions in Major and Minor keys. These are the building blocks of 90% of the songs on the radio. I - V - vi - IV The Emotional Minor: i - VI - III - VII 2. Jazz & Blues Standards
Master Your Sound: The Ultimate Guide to 400 Piano Chord Progressions (New PDF)
Don't get stuck in C Major. Pick one progression a day and try to play it in three different keys.