What makes Thunderbird by Louie Bellson notable?

The album is notable for its inventive arrangements and has been praised for pushing the boundaries of big band jazz. It garnered attention in jazz circles, influencing subsequent generations of musicians who sought to blend traditional influences with modern sensibilities. Released in 1966, 'Thunderbird' marked Louie Bellson's continued evolution as a bandleader and composer following his earlier work with iconic orchestras. At this point in his career, Bellson had already established himself as a prominent drummer and was shifting towards exploring more complex compositions that showcased his skills beyond traditional swing.