See also post 74.
https://www.youtube.com/watch?v=GBiVq2MsCbs
https://www.youtube.com/watch?v=xk3BvNLeNgw
https://www.youtube.com/watch?v=747hJQNJpeg
https://www.youtube.com/watch?v=7gphiFVVtUI
1) Harmonic structure =minimal (e.g. a triad Bm-Em-Am but varied with 7th and 6ths)
2) Rhythm, fast but chord duration=maximal
3) Soloing=minimal
4) Chord Harping=maximal
5) Octaves variation across the fretboard=maximal (like improvising one note on many octaves)
6) Volume variations=maximal
7) Pitch ascension, descending by octaves=maximal
8) Ocean feeling=maximal