St. Petersburg, Florida from St. Petersburg to the San Francisco Bay Area. St. Petersburg has the third-largest dedicated public waterfront park system in North America, with a waterfront park system that stretches and is used year-round for public events, festivals and other activities. In the early 20th century, citizens and city leaders engaged in a long and boisterous debate over the future of the young city's waterfront space, with one side advocating for commercial, port and industrial development and the other side advocating for a long-term commitment to parks and public access to the waterfront. The public access and park contingent won the
20th-century music had earlier been called race music, and country music. See also rock musical and rock opera. 20th-century music During the 20th century there was a huge increase in the variety of music that people had access to. Prior to the invention of mass market gramophone records (developed in 1892) and radio broadcasting (first commercially done ca. 1919–20), people mainly listened to music at live Classical music concerts or musical theatre shows, which were too expensive for many lower-income people; on early phonograph players (a technology invented in 1877 which was not mass-marketed until the mid-1890s); or by individuals performing music