Conversation so far:
What can you tell me about the early days of the BBC Radiophonic Workshop?
Much of The Radiophonic Workshop's early work was in effects for radio, in particular experimental drama and radiophonic poems.
What radio shows were produced for in the early days with the BBC Radiophonic Workshop?
Their significant early output included creating effects for the popular science-fiction serial Quatermass and the Pit and memorable comedy sounds for The Goon Show.
What can you tell me about the BBC Radiophonic Workshop radiophonic poems?

Question: What kind of effects did the workshop do for radio?
Self-contained rewrite: What kind of effects did the BBC Radiophonic Workshop do for radio?