Mixolydian Triads (triads derived from the Mixolydian Scale) are a tasty, bluesy way to play over a dominant 7 chord…
Let’s apply the idea to a C7 chord…

Study-Practice Notes:
- Notice that each chord has the very same characteristic triad “shape” and that all notes are derived from the Mixolydian Scale.
- Experiment with bits and pieces, change direction, and play in different rhythms to suit your own taste and the particular context.