From The Doobie Brothers to The Smiths, James Brown to Metallica, 7th barre chords are fundamental for playing with more color and sophistication ...

and are therefore the same in major and minor equivalents of the same key (by contrast, other intervals e.g. thirds, are different in major and minor keys - hence ‘major third’ and ‘minor third’).

The A7, D7 and E9 shapes shown here are all you need for a 12-bar blues improv in the key of A ... Mid-neck open chords You already know your open chords, right? We’re talking about C, A, G, E, D and ...