Marching Mizzou Alumni Band | Mizzou Alumni Association, The Marching Mizzou Alumni Band (M2AB) is an affiliate of the Mizzou Alumni Association (MAA). The purpose of M2AB is to organize the interests, abilities, and efforts of Marching Mizzou alumni for fellowship among members and prospective members, and to provide services to its alumni constituency and to the University. M2AB is organized in order to encourage alumni to support the University’s School of Music and Marching Mizzou and to participate in building a greater University.