G Scales, Flamenco Guitar
24 types on one root, each laid out on the fretboard with the root marked.
Every scale type this site maps, rooted on G and laid onto the flamenco guitar. The Phrygian and its sister with a raised third come first for most players of the tradition; every other type is one click along.
On the flamenco guitar a scale is the raw material of the falseta — a composed melodic passage the guitarist drops between sung verses — and of the runs a toque answers the cante with.