Arturo den Hartog and Mattias Spee perform as part of the Dag van de Componist 2024 celebration during the Expresstrein journey. Their performance brings together a mix of traditional and contemporary sounds, combining classical technique with modern innovation. Arturo den Hartog, a talented cellist, joins forces with Mattias Spee, a skilled percussionist, to present a unique and expressive musical experience that resonates with the themes of the day. As the train makes its way through the country, their performance captures the essence of the moment, adding layers of depth to the musical landscape of Dag van de Componist.