As the nineteenth century turned into the twentieth, American popular music emerged as a powerful cultural and commercial force. Printed sheet music was still the primary way Americans engaged with music at home, and by the late 1800s, sales had become so profitable that music publishing grew into a thriving industry. By the 1890s, a dense cluster of publishers had established themselves along 28th Street in New York City, a stretch that became famously known as "Tin Pan Alley."
From 1900 to 1915, sweeping innovations in technology and society redefined the American experience, setting the stage for a new era in popular music. The telephone, invented by Alexander Graham Bell in 1876, began appearing in more homes by the early 1900s, offering a new and immediate form of long-distance communication. In 1903, the Wright Brothers completed the first successful powered flight at Kitty Hawk, North Carolina, ushering in a new era of transportation. That same year marked the debut of the first World Series, where the Boston Americans (later the Red Sox) defeated the Pittsburgh Pirates, a milestone in the rise of national popular culture. Also in 1903, the first narrative motion picture, The Great Train Robbery, captivated audiences with its use of editing, on-location shooting, and musical accompaniment, signaling the dawn of the motion picture industry, which would soon reshape American entertainment. In 1908, Henry Ford introduced the Model T and revolutionized American manufacturing with the assembly line, making automobiles more affordable and accessible to the general public and transforming how Americans lived, traveled, and experienced the country. Meanwhile, the expansion of the railroad network continued to knit the country together. Railroads connected rural and urban communities, allowed cultural trends and musical styles to circulate more rapidly, and made it easier for artists, performers, and song pluggers to travel between cities, enabling the spread of Tin Pan Alley hits nationwide.
Around the turn of the century, the American music publishing industry established its first successful business model. Publishers partnered with vaudeville theaters, then the dominant form of mass entertainment, to promote their songs to wide audiences. Vaudeville performers were paid to feature new tunes in their acts, creating powerful opportunities for exposure and increasing sheet music sales. This shift occurred alongside efforts to professionalize the music industry. For much of the 19th century, music publishing had been unregulated, leaving many songwriters vulnerable to exploitation. That began to change with the passage of the U.S. Copyright Act of 1909. The act standardized the collection of royalties and granted songwriters more control over their work, encouraging a more stable and sustainable music business. It laid the foundation for the modern music industry, in which copyright protections and royalty systems remain crucial sources of income for artists and publishers alike.
Tin Pan Alley songwriters continued to produce sentimental ballads, comic songs, and patriotic tunes. But a major stylistic shift was emerging: ragtime. Developed from African American musical traditions in the late 19th century, ragtime featured syncopated rhythms layered over steady two-beat march patterns. March music, popularized during the Civil War and rooted in European tradition, was a staple at public events. African American musicians, many of whom had performed in brass bands during and after the war, infused the form with their own rhythmic innovations. The result was a vibrant, hybrid genre that energized American music. Tin Pan Alley's embrace of ragtime marked a turning point in the commercial adoption of Black musical styles, a pattern that would continue throughout the 20th century.