DD094050 is Delia's list of sounds to make for acts 1 and 2 of The Cloud.
Cloud. ------ | like telephone wires | Jan. 11th. Act I metallic dissonant | beating sound - | in say 3-4 min. lengths. narrow freq. band | (like low leaf) | last out must [have?] | treated 1½ min. fade. Act II nearer (+ baritone[?] | final.[?]) | + treated seagull | ------------ Chord[?]._very_loud and shattering | Muirhead 500 (wider freq. range) | Wob. 2000, 2/sec.. 20 swing[?] --------------------- | + 15 & 7½ Ph.f/b. solitude - in at Q1 wh.[?] leader Cloud out at usual. tide[?] has turned mix Q1 + B bd.3 at yellow. X fade at horizon & land to medium cloud.
- bd.: band (i.e. one of several sequences recorded on the same tape).
- Muirhead: The Muirhead-Wigan D695A tone generator.
- Q1 may mean "cue 1", referring to a musical or effects cue in the score.
- wh. (white?) leader and yellow probably refer to Delia's habit of inserting pieces of coloured leader tape to mark different portions in her makeup tapes.
- Wob.: The Wobbulator.