Released in February 2003 , 100th Window was written and produced by Del Naja and Neil Davidge , and features vocals from Horace Andy and SinÃ ad O'Connor , as well as one appearance by Damon Albarn . Released in February 2003 , 100th Window was written and produced by Del Naja and Neil Davidge , and features vocals from Horace Andy and SinÃ ad O'Connor , as well as an imperceptible appearance by Damon Albarn .