"Musical Theatre Anthology" is likely a collection of songs from various musicals, curated to provide performers with a diverse selection of material for auditions, performances, and study. This anthology probably includes songs from a wide range of musicals, showcasing different genres, time periods, and character types. With selections for various vocal ranges and levels of difficulty, the "Musical Theatre Anthology" is likely a valuable resource for singers and actors looking to explore the repertoire of musical theatre and showcase their vocal and acting abilities.