Here’s a little taste for old school Metallica fans who pre-ordered the sweet smelling reissue of Kill ‘Em All — and/or the similarly updated Ride the Lightning, both of which are due April 15.

The boys in the hard rockin’ fist pumpin’ group searched high and low of their archives and conducted an extensive worldwide search among the fan community in an effort to dig up the most comprehensive collection of previously unreleased material for the sets. (Yes, that’s the man himself, James, unveiling the box set for your perusal)