How did the Mississippi Delta blues style differ from the blues of Texas?

The Mississippi Delta blues and Texas blues styles are distinct regional traditions of early 20th-century American blues music. Their primary differences lie in vocal delivery and guitar technique:1

• Vocal Style: Mississippi Delta blues is noted for being the most intense of the rural styles, characterized by a vocal delivery that is highly speechlike. In contrast, Texas blues is defined by high, clear singing.1
• Guitar Technique: The Delta style features rhythmic and percussive guitar accompaniment, frequently utilizing a slide or bottleneck to bend notes. Texas blues, however, is distinguished by supple guitar lines that typically consist of single-string picked arpeggios rather than the strummed chords often found in other styles.21

While both styles emerged from the rural South, the Mississippi Delta tradition is considered the most influential of the early rural blues forms, eventually playing a foundational role in the development of Chicago blues and later rock and roll.213