"I like to listed to the adventurous guys - the Coltranes, Miles Davis, the guys who just let it loose"

Herb Alpert is expressing his appreciation for jazz artists who take threats and push the limits of their art. He is specifically referring to John Coltrane, Miles Davis, and other jazz artists who are willing to take threats and explore brand-new noises. He is praising their desire to "let it loose" and take possibilities with their music. This quote speaks to the importance of taking threats and pushing limits in order to create something truly distinct and unique. Alpert is motivating musicians to take risks and check out brand-new sounds, rather than playing it safe and adhering to the same old formula. He is also expressing his appreciation for the nerve and imagination of these jazz artists who are willing to take dangers and check out brand-new sounds. By doing so, they are creating something truly special and special.