The audio material (available either on cassette or CD) to accompany the text contains all the dialogs and listening passages from the text, as well as the pronunciation exercises. It allows students to follow along with the written word, isolate sounds and practice them, pay particular attention to intonation, and hone their ear to the sounds of German. The audio material to accompany the workbook includes listening comprehension passages that are not scripted in the book. The user must listen and react, a true test of how successful the learning experience has been.