Big Iron by Marty Robbins
Piano chords, voicings & structure breakdown · 18 steps · 4 unique chords · 1960s
C♯m
Whole song transcribed by
Harmonic Analysis & Structure
Overview
Key: E major · Chords used: 4 · Sections: 9
Form: Intro → Verse → Verse ×6 → Verse
Where these chords come from: an expert transcription of the original recording made for the McGill Billboard Project (Burgoyne, Wild & Fujinaga, 2011). This page shows that transcription as-is: the analysis below is generated directly from it by code, not written by AI. Consecutive repeats of a chord are shown once, and the piano voicings are our playable arrangement of each chord symbol, not a note-for-note transcription.
Section by section
Intro
- C♯m – G♯ – C♯m
vi – III – vi
Verse 1
- E – C♯m (×2)
I – vi - A – E – C♯m – A – E
IV – I – vi – IV – I
Verse 2
Same chords as Verse 1.
Verse 3
Same chords as Verse 1.
Verse 4
Same chords as Verse 1.
Verse 5
Same chords as Verse 1.
Verse 6
Same chords as Verse 1.
Verse 7
Same chords as Verse 1.
Verse 8
- E – C♯m (×2)
I – vi - A – E – C♯m – A – E (×2)
IV – I – vi – IV – I - C♯m
vi
Chord vocabulary
| Chord | Roman numeral | Role | Heard in |
|---|---|---|---|
| C♯m | vi | In the key | Intro, Verse |
| G♯ | III | Secondary dominant (V/vi) | Intro |
| E | I | Home chord (tonic) | Verse |
| A | IV | In the key | Verse |
Harmonic highlights
- G♯ acts as V/vi: it resolves to C♯m.
Sources & accuracy
- Chords and sections: the McGill Billboard Project (Burgoyne, Wild & Fujinaga, 2011). Expert transcription by trained musicians (song 0814, CC0), via ChoCo.
- Not verified: only one expert transcription of this song is available so far.
- Rhythm and chord durations aren't shown; each step is one chord change.
Sources & Accuracy
Every chord on this page comes from the expert transcription listed first below. Piano voicings are our arrangement of the reported chord symbols, not a note-for-note transcription.
- the McGill Billboard Project (Burgoyne, Wild & Fujinaga, 2011)Expert transcription
Annotated from the original recording by trained musicians for a published research dataset.
Expert transcription by trained musicians (song 0814, CC0), via ChoCo.
All Piano Voicings
| # | Section | Chord | Left hand | Right hand | Sources |
|---|---|---|---|---|---|
| 1 | Intro | C♯m | C♯2, G♯2 | C♯4, E4, G♯4 | — |
| 2 | Intro | G♯ | G♯2, D♯3 | B♯3, D♯4, G♯4 | — |
| 3 | Intro | C♯m | C♯2, G♯2 | C♯4, E4, G♯4 | — |
| 4 | Verse 1, part 1 (×2) | E | E2, B2 | B3, E4, G♯4 | — |
| 5 | Verse 1, part 1 (×2) | C♯m | C♯2, G♯2 | C♯4, E4, G♯4 | — |
| 6 | Verse 1, part 2 | A | A2, E3 | C♯4, E4, A4 | — |
| 7 | Verse 1, part 2 | E | E2, B2 | B3, E4, G♯4 | — |
| 8 | Verse 1, part 2 | C♯m | C♯2, G♯2 | C♯4, E4, G♯4 | — |
| 9 | Verse 1, part 2 | A | A2, E3 | C♯4, E4, A4 | — |
| 10 | Verse 1, part 2 | E | E2, B2 | B3, E4, G♯4 | — |
| 11 | Verse 8, part 1 (×2) | E | E2, B2 | B3, E4, G♯4 | — |
| 12 | Verse 8, part 1 (×2) | C♯m | C♯2, G♯2 | C♯4, E4, G♯4 | — |
| 13 | Verse 8, part 2 (×2) | A | A2, E3 | C♯4, E4, A4 | — |
| 14 | Verse 8, part 2 (×2) | E | E2, B2 | B3, E4, G♯4 | — |
| 15 | Verse 8, part 2 (×2) | C♯m | C♯2, G♯2 | C♯4, E4, G♯4 | — |
| 16 | Verse 8, part 2 (×2) | A | A2, E3 | C♯4, E4, A4 | — |
| 17 | Verse 8, part 2 (×2) | E | E2, B2 | B3, E4, G♯4 | — |
| 18 | Verse 8, part 3 | C♯m | C♯2, G♯2 | C♯4, E4, G♯4 | — |