Illustration by Jean- Claude Mézières of Marceline Abadeer with a pale blue complexion, relaxed and joyful, playing a banjo. She is dressed in a cozy oversized sweater with red and gray elements, blue jeans and leather red boots. Her hair is in a loose pny tail with a blue lace, with a playful posture, floating in the air comfortably with one leg bent. The background is a simple, blurred bedroom setting to emphasize the character, using vibrant hues of dark blues and reds, creating a dreamy atmosphere. She features a broad smile with pronounced fangs, suggesting a playful and mischievous demeanor. Surround the scene with soft, abstract shapes and gentle, floating music notes to capture the essence of music filling the air. The overall aesthetic is cartoonish and lively, reflecting a sense of fun and creativity