Wilhelm Wurm was one of the most important influences on the evolution of cornet/trumpet playing and teaching in the second half of the nineteenth century. Initially this collection of 120 etudes was in three separate books: 60 Etudes for Cornet á Piston or Trumpet, 40 Etudes for Cornet á Piston or Trumpet, and 20 Difficult Studies for Cornet á Piston or Trumpet (renamed here as 20 Advanced Studies for Cornet á Piston or Trumpet).

Wurm adapted some of these etudes from existing s...