Port of St. Petersburg local schools visits. Port of St. Petersburg The Port of St. Petersburg is a port located near downtown St. Petersburg, Florida. The Port of St. Petersburg is used by the U.S. Coast Guard under Sector St. Petersburg and serves a super yacht facility. The Port of St. Petersburg opened in 1925 in anticipation of becoming a major shipping port. In the beginning, the port was used mainly for the use of the U.S. Coast Guard from 1927 up until it was abandoned in 1933, although the base was reopened in 1939 due to World War II. Following World War II,
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