Zach kills Mack-The-Knife

Check out my talented nephew, Zach, singing Mack-The-Knife.

Eric D. Colburn, PLS, "The Geo-Business Innovator", helps geo-professionals improve through innovative solutions, mastery of marketing and business growth strategies, and coaching/training. Eric is a successful, serial entrepreneur, podcaster, industry writer, product development consultant, and RI licensed professional land surveyor.

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