Willem Andriessen [SEP] occupation
Willem Andriessen
Willem Andriessen (Haarlem, October 25, 1887 – Amsterdam, March 29, 1964) was a Dutch pianist and composer. His compositional output was small due to the demands of performance and teaching, but he was nonetheless awarded a number of compositional prizes in Belgium and the Netherlands.
Biography.
Andriessen studied at the Amsterdam Conservatory, completing his studies in 1906, and was awarded the school's Outstanding Achievement Prize for piano. He appeared frequently in concert performances in the Netherlands, and was noted for
Orkest de Volharding
Orkest de Volharding (perseverance orchestra) is a Dutch music ensemble, founded in 1972 by Louis Andriessen and saxophonist Willem Breuker, named after the eponymous Andriessen work. The line up for the original concert, on 12 May 1972, was three each of trumpets, saxes and trombones, plus Andriessen on the piano. After that the standard line was established with the addition of flute, horn and bass (although for a period 2 clarinets were added as well). 
Originally conceived as a street band