Watch the Pent Up online guitar lesson by Robbie Calvo from 50 R&B Licks You MUST Know

Double stops rule! Opening phrase is a major 3rd grinding riff that floats between two scale shapes of the C minor pentatonic scale.

The double stop ending is a couple of major 6ths that gliss into resolution with a Bb and G (the b7 and 5th of the C7 chord).