A number of rock/metal musicians have taken to social media to pay tribute to legendary vocal coach Ron Anderson, who sadly passed away at the age of 75. You can see some of their posts below: Axl Rose (Guns N’ Roses): pic.twitter.com/Mt7zKdzIUU — Axl Rose (@axlrose) December 20, 2021 M. Shadows (Avenged Sevenfold): https://www.instagram.com/p/CXrew8fp5bc/ Matt…