Review via email from Earle Holder, award winning Mastering Engineer at HDQTRZ Mastering Studios, Mastering Engineer for Public Enemy, and creator of the 'Har-Bal' Harmonic Equaliser: "Hello David I have always believed that one is never too old to learn something new. I purchased your material because it appeared that you have a real passion for your craft as do I. I thought your tutorials were well written and easily understood. The area that I read where you stated that you were mastering a project for an individual over a three year period was priceless. I was easily able to relate to...