Harmony (youtube)

• Introductions from scratch & Barry Harris movement applications youtube

Improvisation (youtube)

• Barry Harris rules for descending dominant scales (Bill Graham), (pdf), Well explained notes
• Barry Harris scale rules for Tonic chords (Bill Graham), (pdf)
• Barry Harris dominant rules 
• Barry Harris - dominant rules with examples
• Major scale rules for improvisation 
• Rhythm changes bridge improvisation - Barrie Harris rules 
• Out of nowhere improvisation practice - Barry Harris style, joining tricky chord changes