"The song is from the perspective of an old lady looking back on her life through thoughts of the history in her skin," she explained to XFM UK. "We laid out initial parts by following a diagram of a cross section of the layers of skin. Some synths were a hair or the skin cells that sit like bricks, and we used a heart beat pulse for the beat, and electronic sounds for nerve endings. I also used my skin as percussion that was turned up in volume so you can hear it!"
"The song is from the perspective of an old lady looking back on her life through thoughts of the history in her skin," she explained to XFM UK. "We laid out initial parts by following a diagram of a cross section of the layers of skin. Some synths were a hair or the skin cells that sit like bricks, and we used a heart beat pulse for the beat, and electronic sounds for nerve endings. I also used my skin as percussion that was turned up in volume so you can hear it!"
Source: http://www.xfm.co.uk/news/bat-for-lashes-unveils-new-song-skin-song/#rRJ1qCjljEhjra3h.97