TuttiPlay chord chart on Tutti

I Wonder guitar chords

Auto-generated chord chart from YouTube analysis

About Tutti

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 I Wonder. Tutti analyzed the YouTube audio to extract key C# Major, 100 BPM. a progression of 10 chords. Check the progression, each chord's notes and practice tips, then play along with the cursor in the Tutti app.

Key
C# Major
BPM
♩=100
Chords
10
Scale
C# major pentatonic
Capo
Fret 1

Song notes

“I Wonder” runs at 100 BPM in 4/4, in C# Major. The chart spans 81 bars and uses 10 distinct chords, changing roughly every 3.2 seconds.

Part A, the most repeated section, loops G# → C# → C# → A#m → A#m → F# → F# → G# — V–I–vi–IV–V in scale degrees.

10 of the chords need a barre (A#m, A#m7, C#, D#m, D#m7, F#, F#maj7, Fm, G#, G#7), so this sits at a upper-int. level.

With a capo on fret 1 you can play it with Am · Am7 · C · Dm · Dm7 · F … shapes instead — 10 of 10 become open chords.

Start around 70 BPM with a metronome and work up to 100.

Tempo swings by ±16.9 BPM, so follow the recording rather than a metronome.

Dynamic range is 17 dB — a moderate swing between soft and loud passages.

The first chord lands at 4s, so there is a short intro before you come in.

Balance of the mix: Bass 37%, Vocals 26%, Drums 26%.

The vocal sits between D♯2 and A♯4 (centred on D♯4), which helps if you are picking a key to sing in.

Song structure

PartStartsBarsPlaysProgression
Part A ★0:001–248G# → C# → C# → A#m → A#m → F# → F# → G#
Part B0:5525–322G# → G# → G#7 → C# → C# → C# → A#m7 → A#m
Part A ★1:1433–488G# → C# → C# → C# → C# → G# → A#m7 → A#m7
Part B1:5349–562G# → G# → C# → C# → C# → A#m7 → A#m7 → A#m
Part A ★2:1257–808G# → G# → F# → F# → D#m7 → C# → C# → C#

★ most repeated — likely the chorus

Practice tips

Chords used & their notes (fingering reference)10
Example fingerings
A#m
A#m7
C#
D#m
D#m7
F#
F#maj7
Fm
G#
G#7
A#m
vi
A# · C# · F
A#m7
vi
A# · C# · F · G#
C#
I
C# · F · G#
D#m
ii
D# · F# · A#
D#m7
ii
D# · F# · A# · C#
F#
IV
F# · A# · C#
F#maj7
IV
F# · A# · C# · F
Fm
iii
F · G# · C
G#
V
G# · C · D#
G#7
V
G# · C · D# · F#

The Roman numeral on each chord shows its function relative to the key, revealing the harmonic flow.

Chord progression

I Wonder
1
·
2
·G#
3
C#
4
C#
5
A#m
6
A#m
7
F#
8
F#
9
G#
10
G#C#
11
C#
12
C#G#
13
A#mA#m7
14
A#m7G#
15
F#maj7
16
F#maj7
17
G#
18
G#C#
19
C#
20
C#
21
A#m
22
A#mA#m7
23
F#maj7
24
F#maj7
25
G#
26
G#G#7
27
C#
28
C#
29
C#A#m7
30
A#mA#m7
31
F#maj7F#D#m
32
D#mC#
33
G#C#
34
C#
35
C#
36
C#G#
37
A#m7
38
A#m7G#
39
F#maj7
40
F#maj7
41
G#
42
G#C#
43
C#
44
C#
45
A#m7
46
A#m
47
F#maj7
48
F#maj7
49
G#
50
G#
51
C#
52
C#
53
C#A#m7
54
A#m7A#mFm
55
C#F#
56
F#
57
G#
58
G#F#
59
F#D#m7C#
60
C#
61
C#A#m
62
A#m
63
A#m
64
F#maj7
65
F#maj7
66
G#
67
G#
68
C#
69
C#
70
A#m7
71
A#mA#m7
72
F#F#maj7
73
F#maj7
74
G#
75
G#
76
C#
77
C#
78
A#m7
79
A#m7
80
F#
81
G#

→ Popular sheets ranking