2:42 MATTN, Klaas & Roland Clark - Children (Official Video) 2:43 MATTN & Klaas - The Logical Song 2:39 MATTN, Klaas & Roland Clark - Children 6:38 MATTN Klaas Roland Clark CHILDREN Tomorrowland Mix 2021 2:19 Mattn & Klaas & Dino Warriors - Somebody To Love 3:32 MATTN x Jaxx & Vega - Freestyler (Visualizer) 3:59 MATTN, Klaas & Roland Clark - Children | Live at Tomorrowland Winter 2019 3:20 Klaas x MATTN - The Logical Song [Dimitri Vegas & Like Mike Remix] (Official Audio) 2:40 MATTN x UUFO x Shogun – Late Night (Visualiser)