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 안신애 - 왜 그래 [Best Before]ㅣ가사/Lyrics. Tutti analyzed the YouTube audio to extract key E Minor, 103 BPM. a progression of 27 chords. Check the progression, each chord's notes and practice tips, then play along with the cursor in the Tutti app.
“안신애 - 왜 그래 [Best Before]ㅣ가사/Lyrics” runs at 103 BPM in 4/4, in E Minor. The chart spans 96 bars and uses 27 distinct chords, changing roughly every 2.2 seconds.
Part A, the most repeated section, loops C# → C#7 → F#m7 → B7 → Em7 — ?–?–ii°–v–i in scale degrees.
14 of the chords need a barre (A#7, Bm, Bm7, C#, C#7, D#, D#7, F#7, F#m, F#m7, Fm7, G#, G#maj7, Gm7), so this sits at a upper-int. level.
With a capo on fret 2 you can play it with G · G#7 · G7 · Gm7 · A7 · Am … shapes instead — 16 of 27 become open chords.
Start around 72 BPM with a metronome and work up to 103.
Tempo drifts by about ±10.3 BPM — steady enough to practise to a click.
Dynamic range is 14 dB — a moderate swing between soft and loud passages.
The first chord lands at 2s, so there is a short intro before you come in.
Balance of the mix: Drums 28%, Vocals 27%, Bass 24%.
The vocal sits between G♯2 and A♯5 (centred on F♯4), which helps if you are picking a key to sing in.
| Part | Starts | Bars | Plays | Progression |
|---|---|---|---|---|
| Part A | 0:01 | 1–4 | 1 | G → G → G |
| Part B ★ | 0:11 | 5–8 | 5 | C# → C#7 → F#m7 → B7 → Em7 |
| Part C | 0:20 | 9–12 | 2 | A7 → Dmaj7 → D → Em7 → Em7 |
| Part D | 0:29 | 13–16 | 3 | Em7 → F#m → F#7 → F#7 → Bm7 |
| Part E | 0:38 | 17–20 | 1 | E7 → E7 → A7 → Em7 |
| Part D | 0:47 | 21–24 | 3 | Em7 → F#m → F#m7 → F#7 → Bm7 |
| Part F | 0:56 | 25–28 | 2 | E7 → Em7 → A7 → A → Gmaj7 |
| Part B ★ | 1:05 | 29–32 | 5 | C# → C# → F#m7 → B7 → Em7 |
| Part G | 1:15 | 33–36 | 2 | A7 → Dmaj7 → Em7 → D → Em7 → Em7 → Gmaj7 |
| Part B ★ | 1:24 | 37–40 | 5 | C#7 → C# → C# → F#m7 → B7 → Em7 |
| Part C | 1:33 | 41–44 | 2 | A7 → D → D → Em7 |
| Part D | 1:42 | 45–48 | 3 | Em7 → Em7 → F#m7 → F#7 → F#7 → Bm7 |
★ most repeated — likely the chorus
The Roman numeral on each chord shows its function relative to the key, revealing the harmonic flow.
![안신애 - 왜 그래 [Best Before]ㅣ가사/Lyrics](https://i.ytimg.com/vi/MP3u-a5te84/hqdefault.jpg)