sentence: personnel carlos santana -- lead guitar , backing vocals , producer gregg rolie -- keyboards , lead vocals david brown -- bass michael shrieve -- drums josé '' chepito '' areas -- percussion , conga , timbales mike carabello -- percussion , conga additional personnel rico reyes -- percussion , backing vocals alberto gianquinto -- piano on '' incident at neshabur '' steven saphore -- tabla robert venosa -- artwork , graphic design john fiore david brown -- audio engineer mati klarwein -- illustrations robert honablue -- mastering engineer original recording chart tables album singles certifications in popular culture the album is referred to in the 2009 coen brothers movie a serious man .