Santana's arrangement is a "driving, cranked-up version" in a new style of Latin rock, adding electric guitar, Hammond B-3 organ, and a rock drum kit to the instrumentation and dropping Puente's brass section.
Santana's arrangement is a "high-energy, amplified version" in a new style of Latin rock, incorporating electric guitar, Hammond B-3 organ, and a rock drum kit while removing Puente's brass section.