Feedback via email from Earle Holder, award winning Chief 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 yourRead more about Award winning mastering engineer’s review…[…]