More than 100,000 people are expected to hit the beach in Ft. Lauderdale, Fla., on April 12–14 for the seventh annual Rock the Ocean’s Tortuga Music Festival. The 3-day festival will feature headliners Kenny Chesney, Jason Aldean and Thomas Rhett, with additional performers that include Danielle Bradbery, Kane Brown, Sheryl Crow, Delta Rae, Lindsay Ell,…