Stairway to Heaven Chords and Analysis
http://www.songwriting-unlimited.com...#axzz45oVGpThU
When you analyze the Stairway chords you see that Jimmy Page used both natural minor and the dorian mode. The D is a chord substitution borrowed from the relative A major scale. This gives the song it's harmonic lift.
INTRO
Am G#aug | C/G D/F# | Fmaj7 | Am/B Am
Am Bdim C Dm Em F G
i IIdim bIII iv v bVI bVII
Dm > D (dorian)
The opening chords are Am, G#aug, C/G, D/F#, Fmaj7
i VII III IV VI