This clip is from "Starlit Days at the Lido," a 1935 short released by MGM to showcase three-strip Technicolor. The Lido was the "resort" venue of the Ambassador Hotel, in Los Angeles. Note how the vivid color makes the black-and-white era of the 1930s seem like just yesterday.
Early three-strip Technicolor in HD -- Henry Busse and His Band -- Hot Lips --