Auto-generated chord chart from YouTube analysis
Tutti is a free tool that analyzes a YouTube link or audio/video file to detect the key, tempo (BPM), time signature and chord progression, then builds guitar chord charts and TAB. Results are shown with a playback cursor so you can play along.
A chord progression lists the chords in the order they change. At each chord name (e.g. G, Em, C), fret that chord and strum in time.
Guitar chord chart for 리도어 (Redoor) - Feathers (Visualizer). Tutti analyzed the YouTube audio to extract key D# Major, 91 BPM. a progression of 13 chords. Check the progression, each chord's notes and practice tips, then play along with the cursor in the Tutti app.
“리도어 (Redoor) - Feathers (Visualizer)” runs at 91 BPM in 4/4, in D# Major. The chart spans 80 bars and uses 13 distinct chords, changing roughly every 1.6 seconds.
Part A, the most repeated section, loops D# → F → Gm → D# → F → A# → Gm → D — I–ii–iii–I–ii–V–iii–vii° in scale degrees.
6 of the chords need a barre (A#, A#sus4, D#, Fsus4, G#, Gm), so this sits at a advanced level.
With a capo on fret 5 you can play it with F · Fsus4 · Em · A · A# · A7 … shapes instead — 9 of 13 become open chords.
Start around 64 BPM with a metronome and work up to 91.
Tempo swings by ±28.1 BPM, so follow the recording rather than a metronome.
Dynamic range is 9 dB — held fairly even throughout.
The first chord lands at 2s, so there is a short intro before you come in.
Balance of the mix: Vocals 27%, Bass 26%, Guitar 19%.
The vocal sits between A♯2 and A♯4 (centred on A♯3), which helps if you are picking a key to sing in.
| Part | Starts | Bars | Plays | Progression |
|---|---|---|---|---|
| Part A | 0:01 | 1–4 | 1 | D# → F → A# → Gm → D |
| Part B ★ | 0:11 | 5–8 | 6 | D# → F → Gm → D# → F → A# → Gm → D |
| Part C | 0:22 | 9–12 | 1 | D# → A# → Gm → D → D# → A# → A# → G |
| Part D | 0:33 | 13–16 | 1 | D# → A# → Am → Gm → Dm → D# → A# → Gm |
| Part E | 0:43 | 17–20 | 2 | D# → A# → D# → F → D7 |
| Part F | 0:54 | 21–24 | 2 | Gm → D# → D# → F → A# |
| Part B ★ | 1:05 | 25–32 | 6 | Fsus4 → A# → Gm → D# → F → A# → Gm → D |
| Part G | 1:26 | 33–36 | 3 | D# → A# → Gm → D# → F → A# → Gm → D |
| Part E | 1:37 | 37–40 | 2 | D# → A# → D# → F → D |
| Part F | 1:47 | 41–44 | 2 | Gm → D# → D# → F → A# |
| Part G | 1:58 | 45–48 | 3 | F → A# → Gm → D# → F → A# → Gm → D |
| Part B ★ | 2:09 | 49–52 | 6 | D# → F → Gm → D# → F → A# → Gm → D |
★ most repeated — likely the chorus
The Roman numeral on each chord shows its function relative to the key, revealing the harmonic flow.