This festival that was born in the year 1977 with only 4 concerts in two days, and at present it floods for one week the capital of Alava of the best Jazz of the world, with concerts of recognized artists touching styles that go from the traditional, electronic jazz, merger, etc. young promises of the Jazz, different Jam sessions for different places of the city and bands of jazz that touch during the day for the street, to the purest style of New Orleans.

It is one of the more important festivals of Jazz of Spain that this year will celebrate his thirty and fourth edition.