No, you can play the whole song with one amp setting. You play the intro by bending the string behind the nut.
Black Sabbath is on the eponymous debut, Black Sabbath. Iron Man and War Pigs (along with Paranoid, Hand of Doom and others) are on Paranoid, the second album.
Iron Maiden
Black Sabbath
Iron Man is on the album Paranoid - Black Sabbath because Ozzy wrote and performed that song originally with Black Sabbath.
1970
Iron Man was a song from the second Black Sabbath album released. It was released in September of 1970. It was a track included on the album titled Paranoid.
It's a Black Sabbath song from the era when Ozzy Osbourne was still in Black Sabbath.
The song Iron Man is by Black Sabbath, their singer was Ozzy Osbourne.
Black Sabbath
Iron Man was written/recorded by Black Sabbath in 1970. This classic hard rock/ heavy metal masterpiece is featured on the 1970 (1969 in the UK ) Black Sabbath LP entitled "Paranoid".
Ozzy Osbourne aka Black Sabbath
Iron Man by Black Sabbath is a heavy metal/doom metal track.