Martin Popoff, Richard Waddell - Def Leppard to Jethro Tull!

<p>Martin Popoff is a Canadian music journalist, critic and author. He is mainly known for writing about the genre of heavy metal music and is the senior editor and co-founder of Brave Words & Bloody Knuckles, he has written over 100 books that both critically evaluate heavy metal and document its history.</p> <p>Richard Waddell has been a co-host on the Focus On Metal Radio show for 8 years.</p>