What is the characteristic of the "24-bar blues" form?

The 24-bar blues form is characterized by its structure that typically includes two main sections, each consisting of 12 bars, making a total of 24 bars. This format is often broken into three segments, which align with traditional blues progressions and allow for a call-and-response pattern within the music. The use of three 8-bar segments is significant because it creates a distinct way for musicians to interact and improvise, enhancing the overall expression of the performance.

The option referring to a single section of 24 bars does not capture the common structure found in blues music, which usually emphasizes repeated sections and development over distinct 12-bar units. Therefore, the representation of the form as three 8-bar segments aligns with the traditional understanding of how the 24-bar blues is constructed and performed.