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 십센치 / 10cm - '스토커 (Stalker)' Official Music Video. Tutti analyzed the YouTube audio to extract key G# Major, 68 BPM. a progression of 18 chords. Check the progression, each chord's notes and practice tips, then play along with the cursor in the Tutti app.
“십센치 / 10cm - '스토커 (Stalker)' Official Music Video” runs at 68 BPM in 4/4, in G# Major. The chart spans 71 bars and uses 18 distinct chords, changing roughly every 1.6 seconds.
Part A, the most repeated section, loops D#m7 → G# → C# → G# → A#m → G# → G#sus4 → F#maj7 — V–I–IV–I–ii–I–I–? in scale degrees.
18 of the chords need a barre (A#m, A#m7, B, C#, C#maj7, Cm7, D#7, D#m, D#m7, F#, F#maj7, Fm, Fm6, Fm7, G#, G#6, G#7, G#sus4), so this sits at a advanced level.
With a capo on fret 1 you can play it with Am · Am7 · A# · C · Cmaj7 · Bm7 … shapes instead — 13 of 18 become open chords.
Start around 48 BPM with a metronome and work up to 68.
Tempo swings by ±15.6 BPM, so follow the recording rather than a metronome.
Dynamic range is 21 dB — a moderate swing between soft and loud passages.
Balance of the mix: Vocals 47%, Guitar 32%, Bass 14%.
The vocal sits between C♯3 and G♯4 (centred on C♯4), which helps if you are picking a key to sing in.
| Part | Starts | Bars | Plays | Progression |
|---|---|---|---|---|
| Part A | 0:00 | 1–8 | 1 | C#maj7 → Cm7 → A#m → Fm → F#maj7 → A#m → C# → A#m |
| Part B | 0:28 | 9–24 | 2 | C#maj7 → Fm → A#m → C# → F# → C# → G#7 → D#m |
| Part C ★ | 1:12 | 25–32 | 3 | D#m7 → G# → C# → G# → A#m → G# → G#sus4 → F#maj7 |
| Part D | 1:26 | 33–40 | 1 | D#7 → G# → C#maj7 → G# → A#m7 → C# → C#maj7 → F#maj7 |
| Part E | 1:49 | 41–48 | 1 | D#m7 → G# → F#maj7 → G# → C# → G# → A#m7 → A#m |
| Part C ★ | 2:17 | 49–64 | 3 | G# → C# → G# → A#m → G# → F# → C# → D#m |
★ most repeated — likely the chorus
The Roman numeral on each chord shows its function relative to the key, revealing the harmonic flow.