Largest marching band

- Who
- Brass Expo 2025 Executive Committee, Brass Expo 2025 Executive Committee, Brass Expo 2025 Executive Committee, AD: DAISEN Co., Ltd., Japan Association for the 2025 World Exposition
- What
- 12,269 people
- Where
- Japan (Osaka)
- When
- 11 May 2025
The largest marching band consists of 12,269 participants, and was achieved by Brass Expo 2025 Executive Committee, The Asahi Shimbun Company, Kansai Band Association, AD: DAISEN Co., Ltd., and Japan Association for the 2025 World Exposition (all Japan) at Expo 2025 Osaka, Kansai, Japan on 11 May 2025.
Students from over 300 schools across Japan came together today at the Expo 2025 venue to perform two songs: 'Stars and Stripes Forever ' and 'Furusato' on the Grand Ring.