Generate a painting of a group of people dancing the Blue Danube Waltz, a famous ballroom dance, in a formal setting surrounded by a crowd of onlookers. The dancers should be dressed in formal attire and should be depicted in graceful and elegant poses, as they move to the music. The background should be festive and atmospheric, with a warm and inviting feel. The overall mood of the painting should be elegant and refined, evoking the grace and elegance of the Blue Danube Waltz. | Anything