What kind of band would the sousaphone be in?

The sousaphone is commonly associated with brass bands, Marching Bands, and concert bands. It serves as a bass instrument, providing a deep, resonant foundation for the ensemble's sound. Its design allows for easy playing while marching, making it ideal for outdoor performances and parades. Overall, the sousaphone contributes significantly to the richness and depth of brass and wind ensembles.