Def Leppard - Two Steps Behind.

"Two Steps Behind" is a 1993 song by British hard rock band Def Leppard from their album Retro Active and Last Action Hero Soundtrack. It reached #5 on the Billboard Hot Mainstream Rock Tracks chart, and #12 on the Billboard Hot 100.
Def Leppard have recorded two different versions of the song - an electric version and an acoustic version - the widely released one was the acoustic version which featured on the greatest hits Vault. The widely-released acoustic version differs from the original B-Side, as it featured the addition of strings by Michael Kamen, for usage on the Last Action Hero soundtrack.