Correction to the above... Wilkinson's work for Lyrita was apparently not freelance. Lyrita contracted with Decca for their recordings (as did RCA and Readers Digest) and Lyrita's owner, Richard Itter, always requested Wilkinson to engineer the recordings. See this Wikipedia article for more detail:
http://en.wikipedia.org/wiki/Kenneth_Wilkinson
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http://en.wikipedia.org/wiki/Kenneth_Wilkinson
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