Here's a breakdown:
* A: This is the main verse, typically consisting of four lines. It introduces a topic, sets the scene, or establishes a problem.
* A: This is a repetition of the first verse, often with slight variations or embellishments.
* B: This is a contrasting verse, offering a different perspective, a response to the problem, or a turn of events.
* A: The final verse reiterates the main verse, providing closure and reinforcing the theme.
Key characteristics of a blues text:
* Repetition and variation: The use of repeated lines with slight changes emphasizes the cyclical nature of blues themes.
* Rhyme scheme: While not always present, blues often use simple rhyme schemes like AABB or AABC.
* Imagery and metaphor: Blues lyrics are rich with vivid imagery and metaphors that express emotional states and experiences.
* Narrative structure: While not always strictly narrative, blues texts often tell a story or explore a specific theme.
It's important to note that this is a general framework. Blues texts can vary in structure and length, and some may deviate from the AABA pattern.