‘Beneath the Surface’ is an immersive sound composition originally created for the Wave Field Synthesis system (192 loudspeakers), using hydrophone recordings made in a creek at Hamshill Fleet on the Isle of Grain. All sounds are produced by water beetles, waterside plants, gas bubbles and distant industrial activity. Water beetles make sound by rubbing parts of their bodies together. Aquatic plants generate bubbles of oxygen through photosynthesis and produce additional sounds as their submerged stalks collide and rub against each other in the current. The low-frequency rumbling of indus...