These aren't even the best songs that Michael Shrieve played on with Santana, that's probably "Soul Sacrifice", " Black Magic Woman", *I Hope You're Feeling Better", and "Evil Ways". Santana were probably the last great band to emerge from that epochal, almost mystical musical mid-late 60's S.F. " counterculture " socio-political Haight-Ashbury scene that had produced Grateful Dead, Jefferson Airplane, Moby Grape, Country Joe and the Fish, Janis Joplin and Big Brother.
Santana was the last of that era's great bands and fundamentally, their music, texture, layers, even the form of experimental long jams sounded very different from the rest of their predecessors and contemporaries.