The idea is to learn how the 12-bar blues structure works, starting with single notes (one per bar), and then building up to two notes, then three, then four, then with different rhythm patterns ...

In my last column, I presented a shuffle rhythm pattern for a standard 12-bar blues in the key of G, with some inversions of dominant 7th chords that had the 3rd, 5th or 7th in the bass instead of ...