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 도경수 Doh Kyung Soo 'Popcorn' MV. Tutti analyzed the YouTube audio to extract key D Major, 130 BPM. a progression of 7 chords. Check the progression, each chord's notes and practice tips, then play along with the cursor in the Tutti app.
“도경수 Doh Kyung Soo 'Popcorn' MV” runs at 130 BPM in 4/4, in D Major. The chart spans 100 bars and uses 7 distinct chords, changing roughly every 3.6 seconds.
Part A, the most repeated section, loops Em → A → A → D → D → D → Bm → Bm — ii–V–I–vi in scale degrees.
1 of the chords need a barre (Bm), so this sits at a intermediate level.
With a capo on fret 2 you can play it with G · G7 · Am · C · Dm · Dm7 … shapes instead — 7 of 7 become open chords.
Start around 91 BPM with a metronome and work up to 130.
Tempo swings by ±19.5 BPM, so follow the recording rather than a metronome.
Dynamic range is 38 dB — a wide swing, with 20% of the song played quietly.
The first chord lands at 20s, so there is a short intro before you come in.
Balance of the mix: Vocals 30%, Bass 29%, Drums 24%.
The vocal sits between C3 and A♯5 (centred on E4), which helps if you are picking a key to sing in.
| Part | Starts | Bars | Plays | Progression |
|---|---|---|---|---|
| Part A | 0:19 | 1–8 | 1 | D → G → D → D → D → G → G → Bm |
| Part B ★ | 0:29 | 9–16 | 9 | Em → A → A → D → D → D → Bm → Bm |
| Part C | 0:43 | 17–24 | 1 | Em → A → A → G → G → G → D → D |
| Part B ★ | 0:57 | 25–40 | 9 | Bm → Bm → Em → Em → A → A7 → A → D |
| Part D | 1:26 | 41–48 | 1 | Bm → Bm → Bm → Em7 → Em7 → Bm → A → A |
| Part B ★ | 1:41 | 49–96 | 9 | G → D → D → D → Bm → Bm → Em7 → Em7 |
★ most repeated — likely the chorus
The Roman numeral on each chord shows its function relative to the key, revealing the harmonic flow.
