From one of the most prolifically published brass pedagogues of the twentieth century, Sigmund Hering��s 40 Progressive Etudes is recognized as an essential method, containing forty etudes that are perfect for the trumpet. Ideal for intermediate students, the etudes are organized in a progressive manner, challenging students as they improve. This revised edition contains MP3 recordings of all etudes performed by Grammy Award-winner Christopher Moore, Professor of Trumpet at Florida State University.