53.11Level 6 — 12-bar blues in C

Basic blues:

| C7 | F7 | C7 | C7 | | F7 | F7 | C7 | C7 | | G7 | F7 | C7 | G7 |

You know this framework already.

For now:

use only G and C over the whole form.

Yes, even as harmony changes.