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 ...

This fun walkabout evokes 1950s and 1960s rock ’n’ roll and early pop styles. The idea is to learn how the 12-bar blues structure works, starting with single notes (one per bar), and then ...