Delia created sound for a 20-minute sequence in the BBC radio series Art and Design entitled "Structure: Buckminster Fuller. How this American architect's thought has ranged from bubbles to geodesic domes."
Its tape's catalogue entry is dated May 1970.
- Broadcast on BBC 4 FM on 27th November 1970 at 14:20.
- In the BBC Sound Archive on tape TRW 7208.