The image shows a close-up of a brass tuba with the words "Gymnitz Gässel Basel" written on it. The tuba is silver in color and has a shiny finish. The words are written in a cursive font and are surrounded by colorful confetti. In the background, there is a gray building with a sign that reads "Basel" and a cartoon character of a cat. The overall theme of the image is festive and celebratory.