Under Stewart's guidance, a number of top engineers and producers, including Glyn Johns, were consulted in the project's creation, which was then taken to Dick Swettenham's company Helios Electronics.
Under Stewarts vejledning blev et hold af top lydteknikere og producere, inklusiv Glyn Johns, valgt til at skabe projektet, der derefter blev lagt i hænderne på Dick Swettenhams kompagni Helios Electronics.