At the height of his career, Santana turned his back on producing consumable pop and embraced spirit jazz and psychedelic fusion. It was a risky move for sure, yet it produced a string of powerful records, including 1974's Illuminations. The album's first half features a symphonic wash of ephemeral strings and melodic guitar runs. Santana and collaborator Alice Coltrane then turn frenetic, plunging into heady fire music. "Angel of Sunlight" is a peak, and it will sear your eyebrows clear off.