[1] What started in the final decade of the twentieth century within a small circle of composition students at the Rotterdam Conservatory with a manifesto[2] by Rotterdam composer Oscar van Dillen, has been taken more seriously now in larger musical circles.
[3] Many Rotterdam composers have made successful careers in contemporary or theatre music.
[3] It is impossible to accommodate all Rotterdam composers together in one kind of style or musical æsthetic.
[1] Therefore, one could not really speak of a school in the traditional meaning of the word.
[1] The colloquium (called "practicums") at the Rotterdam Conservatoire, led by composition teachers Peter-Jan Wagemans and Klaas de Vries, played an important, unifying role.