Acoustic blues is a family of blues styles performed on non-amplified instruments, most commonly solo voice with acoustic guitar and, at times, harmonica.
It emphasizes raw, intimate timbres; elastic vocal phrasing; and guitar techniques such as fingerpicking, alternating-bass patterns, and bottleneck slide.
Rooted in African American folk traditions of the U.S. South, acoustic blues typically favors small-scale, conversational performance practice—call-and-response between voice and guitar, expressive "blue notes," and lyrics in the AAB stanza form.
Substyles include Delta blues (driving, slide-heavy), Piedmont blues (ragtime-influenced fingerpicking), and Texas blues (looser, narrative-driven playing).
Acoustic blues grew from African American oral traditions—work songs, field hollers, ring shouts, and spirituals—blending West African griot storytelling with European harmonic instruments (notably the guitar). By the 1910s, a recognizable blues language of blue notes, flexible meter, and AAB lyrical form had coalesced across the U.S. South.
The 1920s recording boom captured many regional acoustic styles: Delta blues (Charley Patton, Son House), Texas blues (Blind Lemon Jefferson), Piedmont blues (Blind Willie McTell, Rev. Gary Davis), and country blues at large (Skip James, Mississippi John Hurt). Records and touring tent shows helped standardize 12‑bar forms while preserving regional varietals of guitar technique—slide in the Delta, ragtime fingerpicking in the Piedmont, and narrative, flowing lines in Texas styles.
Urban migration and electrification steered some artists toward amplified Chicago and electric blues, yet many continued to perform acoustically in homes, on porches, and in small venues. The repertoire and techniques remained a living folk practice, even as commercial tastes shifted.
The U.S. and U.K. folk revivals rediscovered and celebrated acoustic blues artists, leading to reissues, college concerts, and new recordings by figures such as Mississippi John Hurt and Skip James. This revival cemented acoustic blues as both a foundational American music and a teachable craft, influencing singer‑songwriters, skiffle, folk, and emerging rock scenes.
Acoustic blues endures through festivals, workshops, and the global guitar community. Modern players preserve regional idioms while blending them with contemporary songwriting and recording approaches, keeping the intimate, voice‑and‑guitar aesthetic at the genre’s core.