Classical trumpet players, who play in orchestra always must transpose, more frequently parts written in F, some others in D and E, others few in A, but we could find any type of transpositions. If you play Mahler, Wagner, or Strauss, constantly you must read trumpet in F and switching between Bb, it is so common that professionals just do the job and nobody speak or write about this. In this paper we will discover some question that could appear when you think deeply in transposition.
Why are there different kind of transposition in the orchestral music of the Nineteen Century?
Why the composers constantly change the transposition, and what does have to be with the music and the harmony?
Should we use a different equipment (trumpet) depending on the transposition and the color or the harmony of the music?
How and when the transposition became a required skill for the trumpet players in the orchestra?
Why do trumpet players transpose? Why does in the new editions the continue writing in F or Eb or A trumpet?
Why is the tradition of transposing on the trumpet is important and why does it continue now in modern times where technology does everything for the people?
