The purpose of this essay is to give an in-depth analysis of the present-day audition process, focusing on European and American orchestras and United States service bands. The research achieved a familiarity with the preparation process and methods in order to provide a concrete understanding of how to best approach an audition. More importantly it investigated the differences and similarities in audition repertoire, procedure and requirements between European orchestras, American orchestras and United States service bands, resulting in a comprehensive and global perspective on the study and foster a more thorough understanding of the audition process as a whole. This study is designed to showcase an overview of valuable insights and resources from a multitude of perspectives combined into one single document, thus creating a source for future auditioning candidates.