That song has the best clean tone I have ever heard in it.
Due to me not knowing what that means, I'm just going to say that it's one of the best instrumentals I have ever listened to. Second comes Orion, as I just think that To Live is to Die has a lot more in it. Orion still is good, though.
Breaking the Law - Judas Priest
Diamonds and Rust - Judas Priest
Welcome to Hell - Venom
To Live is to Die - Metallica
Yeah, I still have good taste in music. =P