Soloing over Dominant 7th Chords (D7 & C7). Triads. Mixolydian scale. Arpeggios. Playing the Maj7 Arpeggio of the b7. Lydian b7. Hints of Jerry Garcia. This is an advanced lesson. See Music Theory I for background information. Guitar: PRS Silver Sky in Roxy Pink. Fender Musicmaster Bass Amp. Klon Centaur and Jan Ray for TF (stacked overdrive pedals). Prussian Blue reverb pedal. D’Addario Strings. Pickboy TF Signature.