When the band Santana performed "Soul Sacrifice" at Woodstock 1969, the guitarist, Carlos Santana, was seen making strange faces while playing his guitar. He would later admit that he took a psychedelic prior to the performance, and saw his guitar as a da

When the band Santana performed "Soul Sacrifice" at Woodstock 1969, the guitarist, Carlos Santana, was seen making strange faces while playing his guitar. He would later admit that he took a psychedelic prior to the performance, and saw his guitar as a da