Niño de dibujos animados cantando con un gato y un ratón en un parque verde

Generate a cheerful kids cartoon walking in a lush green park. A human cartoon boy singer walking with cartoon cat and mouse near the park entrance, smiling and ready to sing. Include slides, swings, flowers, trees, and small kids houses. Animate gentle wind moving trees and flowers. Playground elements move very subtly. Ultra-detailed 3D cartoon, Pixar-style rendering, 8K resolution, crisp textures, smooth lighting, vibrant colors, professional polished animation. Aspect ratio 16:9, YouTube landscape.