Watch the Arpo Marx online guitar lesson by Robbie Calvo from 50 R&B Licks You MUST Know
Using triads to outline your chords is an approach used by many of the great players of our time. The opening phrase is a G major triad with a semitone bend to the b7 (F) so you could constitute this as a G7 run as well.
The second half of the lick is derived from a G7 arpeggio and I'm using semitone slides to hit the chord tones. Try pairing this one with lick 13.