How did blues singers and guitarists make their instruments sound like they were talking?

Blues singers and guitarists achieved a "talking" or vocal-like quality in their music by drawing on African musical traditions that emphasize the imitation of vocal idioms through instrumentation. This practice mirrors the function of "talking drums" in West and East Africa, which mimic the rhythm and the rise and fall of human speech to communicate.1

To replicate these vocal qualities, blues performers utilize several specific techniques:

• String Bending and Choking: Guitarists "choke" or bend strings on the neck of the guitar to create expressive, microtonal pitch inflections known as "blue notes," which mimic the plaintive, mournful tone of a human voice.12
• Slide Technique: By pressing a hard object—such as a metal slide, a knife, or a glass bottleneck—against the strings and sliding it along the fingerboard, musicians produce a smooth, whining sound that is highly evocative of human speech.134
• Call-and-Response: This pattern, rooted in African musical traditions, involves a dialogue between the singer’s voice and a melodic phrase on the guitar, where the instrument effectively "answers" or complements the vocal line.14

These methods allow the instrument to match the emotional intensity and lamenting tone of the performer's lyrics.1