Just need 2 things to learn https://youtu.be/1As8_P1JyF8?t=14s
Do it yourself...and be confused forever http://youtu.be/ThJmDE6fA9c?t=14s
Ex.1/ 00:14 Paco on where flamenco comes from harmonically
Ex.2/ 01:38 topic
Ex.3/ 01:19 solo 1
Ex.4/ 49:34 solo 2
Using modal harmony (2) Its approach to the Andalusian cadence
https://youtu.be/TbHffqqwfBc?t=14s
Understanding modal harmony in flamenco 1
https://youtu.be/rFPICcpQu2M?t=1m19s