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 SG워너비 - 라라라 [가사/Lyrics]. Tutti analyzed the YouTube audio to extract key C Major, 100 BPM. a progression of 14 chords. Check the progression, each chord's notes and practice tips, then play along with the cursor in the Tutti app.
“SG워너비 - 라라라 [가사/Lyrics]” runs at 100 BPM in 4/4, in C Major. The chart spans 111 bars and uses 14 distinct chords, changing roughly every 2.3 seconds.
Part A, the most repeated section, loops Am → F → C → G — vi–IV–I–V in scale degrees. That is the same four-chord loop started from the sixth — common in ballads.
3 of the chords need a barre (A#, Cm, Fm), so this sits at a intermediate level.
Start around 70 BPM with a metronome and work up to 100.
Tempo drifts by about ±10.4 BPM — steady enough to practise to a click.
Dynamic range is 17 dB — a moderate swing between soft and loud passages.
The first chord lands at 1s, so there is a short intro before you come in.
Balance of the mix: Vocals 37%, Drums 23%, Bass 16%.
The vocal sits between C2 and D5 (centred on C4), which helps if you are picking a key to sing in.
| Part | Starts | Bars | Plays | Progression |
|---|---|---|---|---|
| Part A | 0:01 | 1–4 | 1 | C → C → G → Am → Am7 |
| Part B | 0:12 | 5–8 | 2 | F → C → G → F → A# → F |
| Part C | 0:23 | 9–12 | 1 | C → C → C → G |
| Part D ★ | 0:31 | 13–16 | 6 | Am → F → C → G |
| Part E | 0:41 | 17–20 | 1 | F → C → C → C |
| Part F | 0:50 | 21–24 | 1 | C → G → G → C → C7 → F → Fm |
| Part G | 1:00 | 25–28 | 1 | Fm → G → G7 → C → Am → E |
| Part H | 1:05 | 29–32 | 2 | F → C → G → Am → D |
| Part I | 1:12 | 33–36 | 2 | F → G → C → G |
| Part J | 1:17 | 37–40 | 3 | Am → Em → F → C → G → Am |
| Part K | 1:24 | 41–44 | 3 | D → G → C → G |
| Part D ★ | 1:29 | 45–48 | 6 | Am → F → C → G |
★ most repeated — likely the chorus
The Roman numeral on each chord shows its function relative to the key, revealing the harmonic flow.
![SG워너비 - 라라라 [가사/Lyrics]](https://i.ytimg.com/vi/Ep0D0LtHcAs/hqdefault.jpg)