To address the question regarding American musical styles that emerged after World War II, we need to evaluate each option:

1. **Swing**: This style primarily developed in the 1930s and was prominent before the end of World War II. Therefore, it is **not** a post-war style.

2. **Minimalism**: This musical style emerged in the mid-1960s, after WWII. It is characterized by repetitive motifs and a focus on simplicity. Thus, it is a post-war style.

3. **Chance Music**: Also known as Aleatoric music, this style gained prominence post-WWII, particularly associated with composers like John Cage in the 1950s. Therefore, it is considered a post-war style.

4. **12-bar blues**: This is a musical form that has been around well before WWII, rooted in early blues music. Thus, it is **not** a post-war style.

### Final Answer
The American musical styles that emerged after World War II are:
- Minimalism
- Chance music

Question

To address the question regarding American musical styles that emerged after World War II, we need to evaluate each option:

1. **Swing**: This style primarily developed in the 1930s and was prominent before the end of World War II. Therefore, it is **not** a post-war style.

2. **Minimalism**: This musical style emerged in the mid-1960s, after WWII. It is characterized by repetitive motifs and a focus on simplicity. Thus, it is a post-war style.

3. **Chance Music**: Also known as Aleatoric music, this style gained prominence post-WWII, particularly associated with composers like John Cage in the 1950s. Therefore, it is considered a post-war style.

4. **12-bar blues**: This is a musical form that has been around well before WWII, rooted in early blues music. Thus, it is **not** a post-war style.

### Final Answer
The American musical styles that emerged after World War II are:
- Minimalism
- Chance music

Knowee AI · Accepted Answer

To address the question regarding American musical styles that emerged after World War II, we need to evaluate each option:

1. **Swing**: This style primarily developed in the 1930s and was prominent before the end of World War II. Therefore, it is **not** a post-war style.

2. **Minimalism**: This musical style emerged in the mid-1960s, after WWII. It is characterized by repetitive motifs and a focus on simplicity. Thus, it is a post-war style.

3. **Chance Music**: Also known as Aleatoric music, this style gained prominence post-WWII, particularly associated with composers like John Cage in the 1950s. Therefore, it is considered a post-war style.

4. **12-bar blues**: This is a musical form that has been around well before WWII, rooted in early blues music. Thus, it is **not** a post-war style.

### Final Answer
The American musical styles that emerged after World War II are:
- Minimalism
- Chance music

Select all the American musical styles that emerged after World War II.Multiple select question.SwingMinimalismChance music12-bar blues

Question

Select all the American musical styles that emerged after World War II.

Solution

Final Answer

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