When looking at a PDF transcription, do not just play the notes. Ask why he played that note over that chord. Identify the target note (chord tone) versus the passing tone.
For many, this is the holy grail. "The Scott Henderson Guitar Book" is a note-for-note collection of complete guitar transcriptions. It captures his killer fusion of jazz, hard rock, and blues from classic tracks like "Big Girl Blues," "Caribbean," "Signal Path," and "Spears," providing a look inside his compositional and improvisational style. Scott Henderson Jazz Fusion Improvisation Pdf
"Playing outside" refers to intentionally creating dissonance by playing notes outside the structural key, then resolving back "inside." Henderson is a master of this tension-and-release dynamic. When looking at a PDF transcription, do not
Used over non-resolving dominant 7th chords (e.g., IV7 chords or static funk grooves). It provides a bright, Pentatonic Substitution For many, this is the holy grail