Dune made together with M-Project & Guhroovy a new track “Technicolour Dreams” for the soundtrack “Beatmania IIDX 26 Rootage” special for the 20th anniversary of the game franchise.
Beatmania IIDX 26 Rootage is a game and is the 26th numbered release of the arcade franchise. In Japan this game series is very popular!
You can buy the song on iTunes of stream on Apple Music.
Beside a digital release there looks to be a cd release also in Japan: https://www.konamistyle.jp/products/detail.php?product_id=109182. If you want you can buy it from the Amazon store.