Opal Evenings (1987-1996): live concerts featuring artists associated with Brian Eno, including Michael Brook, Harold Budd, Brian Eno, Roger Eno, Laraaji, James Pinker, John Bonner, Clodagh Simonds; various venues in the Canary Islands, Denmark, Germany, Hungary, Italy, Japan, Portugal, Spain and the UK. Mills produced light sculptures, films, stage visuals and lighting design.