40 Etudes Progressives. Par HERING SIGMUND. 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 developing trombone or baritone player. 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 John Drew, Professor of Trombone at Florida State University./ Etude / Trombone
