The Collegiate Marching Band Festival, also called the CMBF, is an annual event held in Allentown, Pennsylvania, which showcases college and university marching bands of all sizes and styles from across the Northeastern United States. First held in 1996, the event typically takes places in early October at J. Birney Crum Stadium, a renowned venue for marching band and drum corps performances. The festival is not a competition, but rather an opportunity for fans and band members alike to view bands that perform a variety of shows and exhibit different performance styles.