Bob Ferry’s Superimposition of Fingerings for Guitar: Volume I covers the Major 7th and Major 6th chords.
Volume I is a subset of Bob Ferry’s Superimposition of Fingerings for Guitar: Complete which is a comprehensive guide to the fingerings necessary for the realization of any goal on the guitar.
Simply put … Arpeggio + Chord + Scale = Superimposition of Fingerings.
The PDF file for this e-book can be downloaded immediately after purchase.