2. Free Jazz originated and was developed in the:Group of answer choicesA. 1940's-1950'sB. 1950's-1960'sC. 1960's-1970'sD. 1970's-1980's

Analyzing the Question

1. Understanding Free Jazz: Free Jazz is an avant-garde genre of jazz music that emerged in the mid-20th century, characterized by a departure from traditional jazz structures, harmonic constraints, and rhythmic expectations.

2. Historical Context: The genre saw significant evolution during specific time periods, especially noted for its experimental nature and the breaking away from traditional norms.

Relevant Information

1. 1940s-1950s: This period was foundational for the development of jazz, including styles such as bebop that contributed to the evolution of jazz.

2. 1950s-1960s: Major figures in Free Jazz like Ornette Coleman began to emerge during this time. Coleman’s album "Free Jazz: A Collective Improvisation" was released in 1960, which is often cited as a pivotal moment in the genre.

3. 1960s-1970s: This era saw the flourishing of Free Jazz, with more artists experimenting with the form.

4. 1970s-1980s: While Free Jazz continued, the peak of its development largely occurred earlier.

Final Answer

The correct answer is B. 1950's-1960's, as this period was essential for the emergence and development of Free Jazz.