Chord embellishment is the art of playing around the chords by adding notes to them and using runs to connect chords together. Hammer-ons and pull-offs are often used. Two players who frequently use chord embellishment are Curtis Mayfield and Jimi Hendrix.
The next one is based around this minor 7th bar chord shape.
Am7
This example alternates between G and C chords.
This one starts on C and changes to G.
Here’s one in a minor key.