Torres’s fan bracing still defines the modern guitar
The guitar—usually six or twelve fretted strings, strummed or plucked against the body—grew from medieval Iberian cousins into Antonio Torres Jurado’s mid-nineteenth-century redesign. Around 1850 he enlarged the body, reworked proportions, and invented fan bracing that still sets classical volume, tone, and projection.
Classed as a chordophone, it once used wooden bodies and catgut; steel strings arrived in the late nineteenth-century United States, with nylon and steel mainstream only after World War II. Ancestors include gittern, vihuela, four-course Renaissance and five-course baroque guitars. English guitar traces Spanish guitarra through Andalusian Arabic qīthārah and Latin cithara to Greek kithára. By 1200 Spain already knew guitarra latina and guitarra morisca; by the fourteenth century both were simply guitars. Scholars debate oud and lute influence—many treat the lute as a separate line that barely shaped the guitar’s evolution.
The fifteenth–sixteenth-century Spanish vihuela, often six courses tuned in fourths, is widely judged the crucial bridge to the baroque five-course guitar popular from Spain to France into the mid-eighteenth century. Vicente Espinel sometimes gets credit for five-course design, though a 1550 birth year makes that claim shaky; Gaspar Sanz later noted Italian and French additions to the “Spanish guitar.” Acoustic families now span classical and flamenco nylon, steel-string flat-tops, twelve-strings, and archtop “jazz” boxes; Spanish classical technique often plucks each string independently rather than strumming.
Electric guitars, first patented in 1937, use pickups and amps so solid wood bodies need no resonant chamber—dominating markets by the 1960s–70s with reverb, distortion, and feedback resistance that powered blues, rock, metal, and punk. Lap steel “Hawaiian” guitars sit across the lap. From Hittite carvings of chordophones thirty-three centuries old to Torres’s unchanged bracing geometry, the instrument’s global genres—flamenco, mariachi, reggae, folk—still rest on vibrating string, fret, and box.
Source: Guitar