Wow, this is pure Nostalgia!
It was like TONS of year I first heard of this guy who made an album of Iron Maiden covers in midiformat with him singing with his own voice over it all! Amazing! Midi-metal? Already done! Haha! Note: These are not the complete tracks but they are long enough anyhow.
Anton Maiden - Number of the beastAnton Maiden - Run to the hills