Her papers contain a collection of detailed notes and tape labels for the creation of sound for what appears to be a two-act play produced in collaboration with F. Chagrin and S. Brown. The latter is presumably Sandy Brown, composer of the score for "Searching".

Note that Barry Bermange, which whom Delia created Four Inventions for Radio in 1964-65, also produced a play of hiw own called The Cloud on stage in London in 1964.^[1] This may be the same thing or something different.