180 Gram Audiophile Vinyl/Limited Anniversary Edition/ Gatefold Cover One of the Santana's more adventurous efforts, this 7 track masterpiece is loaded with hit after hit like the smash singles, all featuring the amazing guitar of the great Carlos Santana. Mastered impeccably by Joe Reagoso at Friday Music Studios and pressed on 180 gram vinyl at RTI, this amazing classic truly shines in the audiophile vinyl domain.