One of my youngest pupils is just 5 years old, so I had to re-think some of the teaching techniques to fit better. This melody is an easy bossa nova, consisting just of 2 notes, C (with no pistons pressed) and B (with the middle piston), easy to play for kids with smaller hands.
Here's the backing track. You can use it to practice, to play it on a concert or to make a YouTube video with you playing the trumpet.
Disclaimer: All materials are properties of their owners, and are used here for informative and educational purposes. I don't accept any responsibility for any damage, loss, liability, injury or upset caused to or suffered by you as a result of misusing this material.
Cheers and happy learning,
Mihai