Level 2A trains the piano student at the early intermediate level. Level 2B is fully at the intermediate level. Mastering Melodies (listed as "M. Melodies" below) offers simplified selections - delightful favorites from classical repertoire - arranged for the late beginner, the early intermediate student. It includes the pieces students recognize and love to play. Mastering Repertoire (listed as "M. Rep." below) offers first lessons in classical repertoire, unsimplified by editor Janet Vogt.