The Sound Of Clothes features the precise sound of fashion materials such as feathers, sequins, glass crystals and beads, nylon, taffeta, leather, velvet, jacquard, zips and metallic chains, recorded in an anechoic chamber. Videos linked from the page might be NSFW.
Infrasound : Elephants use it to communicate, the military have sought to harness its power as a weapon (.pdf). So have The KLF. Now, a group of avant garde musicians invite you to feel the bass. If reports of the Feraliminal Lycanthropizer are to be believed, that could be one hell of a gig.