Note: This page is for the Swedish electronic/breakbeat artist Rasmus, for the Finnish pop/alt rock band see The Rasmus Rasmus Gardell, known as simply Rasmus or Rasmushroom, is a Swedish electronic/breakbeat artist though now based in London. He released two studio albums, Mass Hysteria (1998) and Serious Pranks (2000), and several singles. While he hasn't released any albums since 2000, he continues to produce and record music and puts it on Soundcloud.