By the early 1900s, thanks in large part to Hohner’s wartime distribution into American army camps a generation earlier, the harmonica was everywhere in the United States — cheap, portable, and needing no formal training to play a tune. What happened next is the part of the story that turned it from a novelty into one of the defining voices of American music.
DeFord Bailey and the Instrument That Named the Opry
In December 1927, a harmonica player named DeFord Bailey stepped up to perform on WSM’s “Barn Dance” radio show in Nashville. Bailey, who had taught himself harmonica during a childhood bout of polio, played lead rather than accompaniment — using the instrument to imitate train whistles, fox hunts, and other sounds rather than just carry a melody. His performance that night was so distinctive that station manager George D. Hay renamed the program on the spot. It became the Grand Ole Opry.
Bailey, the first African American star of the Opry, performed there regularly until 1941. His style — treating the harmonica as a storytelling lead instrument, not a toy — laid groundwork that both country and blues harmonica players would build on for decades.
The Delta Sound: Sonny Boy Williamson II
Further south, in the Mississippi Delta and Arkansas, a harmonica player named Alex Miller was becoming a fixture on the King Biscuit Time radio show in 1941, performing under the name Sonny Boy Williamson — a name already used by a popular Chicago harmonica player, which is why history remembers him as Sonny Boy Williamson II. His phrasing became a blueprint for Delta blues harmonica, and by the time he was recording for Chess Records’ Checker label through the 1950s and early ’60s, his song “Help Me” had become a genre standard still covered today. We’ve written more about his life and style in Sonny Boy Williamson II, the lonely man.
Plugging In: Little Walter and the Birth of Amplified Blues Harp
The instrument changed again when it met the electric guitar amplifier. Marion “Little Walter” Jacobs arrived in Chicago in 1946 and, rather than simply using an amp to play louder, deliberately pushed it past its limits to get a distorted, saxophone-like tone nobody had heard from a harmonica before. His 1952 instrumental “Juke” hit number one on the Billboard R&B chart — still the only harmonica instrumental ever to do so — and in 2008 he became the only artist ever inducted into the Rock and Roll Hall of Fame specifically as a harmonica player. Read more about his story, including his hit “My Babe,” in Little Walter – My Babe.
Around the same era, players like Sonny Terry were keeping an older, acoustic country-blues style alive, and a folk revival led by figures like Bob Dylan (covered in our post on Bob Dylan & his harmonica) would soon carry the instrument to an entirely new audience.
By the 1950s, in other words, the harmonica had split into distinct American voices — delta blues, amplified Chicago blues, country storytelling, and folk. But a parallel, very different revolution was happening to the instrument itself, one that would let it play jazz standards and classical concertos. That’s the subject of Part 3.