From Dr Who to The Dark Side of the Moon to modern day dance music, the pioneering members of the Electronic Music Studios radically changed the sound-scape of the 20th Century. What the Future Sounded Like tells this fascinating story of British electronic music. What The Future Sounded Like mixes experimental visual and sonic techniques with animation and never-seen-since archival footage. A sonic and visual collage, this documentary colors in a lost chapter in music history, uncovering a group of composers and music engineers who harnessed technology and new ideas to re-imagine the boundaries of music and sound.