What makes El Sonido Nuevo by Cal Tjader notable?

The album is notable for its critical acclaim, receiving praise from influential jazz critics and contributing to the popularization of Latin jazz in the United States. It has been recognized for its innovative arrangements and was a significant influence on future generations of musicians within the genre. By 1966, Cal Tjader had already established himself as a prominent figure in Latin jazz, following his successful albums 'Soul Sauce' and 'Jazz Goes Latin'. 'El Sonido Nuevo' marked his artistic peak, showcasing a deeper exploration of Caribbean influences while solidifying his role as a bridge between jazz and Latin music.