The first two decades of the twentieth century were a very vivid period in the musical life of Kristiania. Except for symphonic concerts given by the orchestras of Musikforeningen and the Nationaltheatret audiences had an opportunity to attend many solo and chamber music performances. The organizers of these were first of all concert bureaus existing in the city. Each of them served a group of its own artists – both Norwegian and foreign. The aim of this text is to show what musical life in Kristiania looked like behind the concert stages. The press reviews also revealed a connection between the impresarios' and the music publishers' business. Besides, a comparison between the Norwegian and European impresarios revealed that the period under scrutiny was the moment of transition in the profile of this profession in Norway.