The Spiral Staircase is a series of short electronic vignettes that constitute two vertical progressions. The pieces were composed during 2006-7 and consist of layered bodies of sound. Some of the source material was created on the EMS Synthi 100 at the IPEM (Institute for Psycho-acoustics and Electronic Music) in Ghent, Belgium. Esther Venrooy is a Dutch-born, Ghent-based composer and sound artist working in the field of electronic music. She presides the board of (k-raa-k)3 and together with her husband runs Odradek, an organisation that curates events and releases dedicated to sound art and innovative or experimental music. Ltd x 300.