Watch the Study 1: Straight 8ths online guitar lesson by Carl Verheyen from S.W.A.T Improvisation

This solo adds two new notes choices to the traditional A minor pentatonic scale: The F# and the B. Those 2 notes automatically make this scale the A Dorian mode, which is A to A in the key of G major. For my taste, this is my #1 go-to minor scale when there is a choice not dictated by context.