Create a dynamic and high-energy poster for a workout playlist YouTube video

Create a dynamic and high-energy poster for a workout playlist YouTube video. The design should feature vibrant colors like red, blue, and neon accents to convey intensity and motivation. Include elements such as abstract shapes, fitness equipment (dumbbells, kettlebells), and a diverse group of people exercising. The text should be bold and eye-catching, displaying 'Ultimate Workout Playlist' prominently. The background should have a modern, urban feel with a sense of movement and energy.

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