"Voice in Progress" is a specialized book that addresses the selection of vocal literature in singing education. The author, Lis Malina, an experienced vocal pedagogue, provides valuable insights into the criteria to consider when choosing the right aria and suitable repertoire. The book highlights the often-overlooked topic of vocal literature and offers practical suggestions for multilingual literature spanning four centuries. These recommendations are designed to enrich teaching practices and create inspiring class evenings. With a clear focus on the needs of both teachers and students, this work is a valuable resource for anyone involved in singing and music education.