Martijn Spierenburg is a composer and arranger. He was also the keyboard player for the Dutch symphonic metal band Within Temptation from 2001 to 2024. In 2018, it was announced that he would be the composer for the musical "Nieuw Amsterdam", which describes the role of the Dutch during the emergence of the city of New York, back in the Golden Age. This piece will be the successor to the successful Dutch piece "Soldaat van Oranje".