 The four demos for "Ride the Lightning" were recorded at the expense of Metallica's European record label, Music for Nations, at the same time the band recorded versions of "Seek & Destroy" and "Phantom Lord" to be used as fake "live" b-sides for the "Whiplash" and "Jump in the Fire" singles.In 2005 seven other re-recorded demos surfaced on bootlegs.Out of the seven demos that surfaced, only "Trapped Under Ice" was confirmed as an official demo.