Opus 23 — Dustin O'Halloran: piano chords
The full chord chart for Opus 23 by Dustin O'Halloran, bar by bar in the original key — and a free player that runs the chords in time with the record while you play.
The chords in Opus 23
Opus 23 by Dustin O'Halloran sits in F# major at a mid-tempo 78 BPM and moves through 5 chords. The changes come often enough to keep your hands honest — a solid workout once you know your basic triads.
Full chord chart, bar by bar
| Theme: F# | B | |
| Answer: C# | F# | B |
| Bridge: F# | ||
| Development: G#m | D#m | B |
| Reprise: C# | F# | B |
Each cell is one bar. The free player scrolls this chart in sync with the recording and listens to your playing as you go.
Song structure
- 0:03Theme
- 0:35Answer
- 1:17Bridge
- 1:38Development
- 2:00Reprise
Learn the chords first
If any of these shapes are new, the free chord trainer teaches every chord in F# major — from plain triads to inversions — with real-song exercises. Then come back and play the record.
Quick answers
Is Opus 23 by Dustin O'Halloran hard to play on piano?
Opus 23 is an intermediate piece: the changes come often enough to keep your hands busy, so it suits a player who already knows their basic triads. It runs at 78 BPM.
What key is Opus 23 by Dustin O'Halloran in?
Opus 23 is in F# major, at around 78 BPM.
What are the chords in Opus 23 by Dustin O'Halloran?
The main chords are F#, B, C#, G#m, D#m — see the full bar-by-bar chart on this page.