This thesis is an historical, thechnical dn stylistic investigation of Mozart horn concertos. It includes a description of Mozart's life; the moment in his life where the concertos were developed.

It contains information about Inaz Leitgeb, the horn player who has a close friendship with Mozart. Also, the explanation of his technical characteristics of the natural horn and the way of Mozart deal with the resources and limis instrument, as well as the way of the interpretation of these pieces had beed facilitated by the arrival of the chromatic horn.

I found out that the knowledge of these concertos is essential for their interpreation.