Final answer:
Jazz is the style of music that "emancipated" melody, harmony, and tonality in music. It was created by black musicians in the 1920s to reflect their experiences and culture, incorporating elements from blues and ragtime.
Step-by-step explanation:
Jazz is the style of music that "emancipated" melody, harmony, and tonality. During the 1920s in Harlem and throughout the United States, black musicians created jazz as a new style that reflected their experiences and culture. Jazz featured an up-tempo beat with improvised solos and a bolder rhythm and harmony. It incorporated elements from styles like blues and ragtime, and it broke away from the European classical music tradition.