Drone video, Dinosaur Hill Park, Taylor Blvd, Grayson Rd, Poet's Corner, Pleasant Hill Rd, Oak Park Blvd, Oak Park Liquor, new Pleasant Hill Library, old Pleasant Hill High School, Pleasant Hill Middle School, Northern California, San Francisco Bay Area, DJI Air 2s, DJI RC Pro Controller, "The Blue Danube" as known by its common English name, or "An der schönen, blauen Donau", Op. 314, was composed by Austrian composer Johann Strauss II, in 1866.