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Ron Eckerman was an early pioneer in the concert industry. In 1973, he began producing concert tours and created a concert lighting / tour management company, Clearlight Enterprises.
Audio Clip from his book "TURN IT UP" http://www.youtube.com/watch?v=mr1C8_wsn9Q&feature=context&context=C4bce381ADvjVQa1PpcFPUXf3km8pjLMZJc3C0WDiaa_DCr_6QxoM=
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