PianoChords.studio

Mas que nada by Jorge Ben

Piano chords, voicings & structure breakdown · 65 steps · 20 unique chords

Community chart. These chords come from a chart a musician wrote and shared on the iReal Pro forums, not from a transcription checked against the recording. Charts are sometimes written in a different key or simplified, and no second chart of this song agreed closely enough to mark this page verified. Trust your ears.
Intro 1 (×4)Step 1 of 65

Em

LeftE2, B2RightB3, E4, G4
C4E2B2B3E4G4
Left hand Right hand Middle C (C4)

No source cited for this step

Harmonic Analysis & Structure

Overview

Key: E minor · Chords used: 20 · Sections: 16

Form: Intro → Intro ×3 → B Section → A Section → B Section → A Section → B Section → A Section → C Section → C Section → D Section → D Section ×2 → D Section

Where these chords come from: a chord chart of this song written by a musician and shared on the iReal Pro forums, archived in the iReal Pro forum charts archived in ChoCo (de Berardinis et al., 2023). It's one musician's reading of the song, not a transcription checked against the recording. This page shows that chart as-is: the analysis below is generated directly from it by code, not written by AI. Consecutive repeats of a chord are shown once, and the piano voicings are our playable arrangement of each chord symbol, not a note-for-note transcription.

Section by section

Intro 1

  • Em – A7 (×4)
    i – IV7

Intro 2

Same chords as Intro 1.

Intro 3

Same chords as Intro 1.

Intro 4

Same chords as Intro 1.

B Section 1

  • Em7 – A7 (×2)
    i7 – IV7
  • Am7 – D7
    iv7 – bVII7
  • Em7 – A7 (×4)
    i7 – IV7
  • Em7 – D♯m7 – Dm7 – G13 – Cmaj7 – F♯m7♭5 – B7♯9
    i7 – vii7 – bvii7 – bIII13 – bVImaj7 – iiø7 – V7#9

A Section 1

  • Em7 – B7♯9 (×3)
    i7 – V7#9
  • Em7 – A7 (×2)
    i7 – IV7
  • Am9 – D7 – Gmaj7 – F♯m7♭5 – B7
    iv9 – bVII7 – bIIImaj7 – iiø7 – V7
  • Em7 – B7♯9 (×4)
    i7 – V7#9
  • Em7 – A7 (×2)
    i7 – IV7

B Section 2

Same chords as B Section 1.

A Section 2

Same chords as A Section 1.

B Section 3

Same chords as B Section 1.

A Section 3

  • Em7 – B7♯9 (×3)
    i7 – V7#9
  • Em7 – A7 (×2)
    i7 – IV7
  • Am9 – D7 – Gmaj7 – F♯m7♭5 – B7
    iv9 – bVII7 – bIIImaj7 – iiø7 – V7
  • Em7 – B7♯9 (×4)
    i7 – V7#9
  • Em7 – A7 – Em7 – E7
    i7 – IV7 – i7 – I7

C Section 1

  • Am7 – D9 – Gmaj9 – Cmaj9 – F♯m7♭5 – B7♭9 – Em7 – B7 – E7
    iv7 – bVII9 – bIIImaj9 – bVImaj9 – iiø7 – V7b9 – i7 – V7 – I7

C Section 2

  • Am7 – D9 – Gmaj9 – Cmaj9 – F♯m7♭5 – B7♭9 – Em7 – A7♭9
    iv7 – bVII9 – bIIImaj9 – bVImaj9 – iiø7 – V7b9 – i7 – IV7b9

D Section 1

  • Em7 – A7♭9 (×2)
    i7 – IV7b9

D Section 2

Same chords as D Section 1.

D Section 3

Same chords as D Section 1.

D Section 4

  • Em7 – A7♭9 (×2)
    i7 – IV7b9
  • Em
    i

Chord vocabulary

ChordRoman numeralRoleHeard in
EmiHome chord (tonic)Intro, D Section
A7IV7Outside the key (chromatic)Intro, B Section, A Section
Em7i7Home chord (tonic)B Section, A Section, C Section, D Section
Am7iv7In the keyB Section, C Section
D7bVII7In the keyB Section, A Section
D♯m7vii7Outside the key (chromatic)B Section
Dm7bvii7Outside the key (chromatic)B Section
G13bIII13Secondary dominant (V/bVI)B Section
Cmaj7bVImaj7In the keyB Section
F♯m7♭5iiø7In the keyB Section, A Section, C Section
B7♯9V7#9In the keyB Section, A Section
Am9iv9In the keyA Section
Gmaj7bIIImaj7In the keyA Section
B7V7In the keyA Section, C Section
E7I7Outside the key (chromatic)A Section, C Section
D9bVII9In the keyC Section
Gmaj9bIIImaj9In the keyC Section
Cmaj9bVImaj9In the keyC Section
B7♭9V7b9In the keyC Section
A7♭9IV7b9Outside the key (chromatic)C Section, D Section

Harmonic highlights

  • G13 acts as V/bVI: it resolves to Cmaj7.

Sources & accuracy

  • Chords: the iReal Pro forum charts archived in ChoCo (de Berardinis et al., 2023). Community chord chart “MAS QUE NADA” (credited “Jorge Ben Jor”, style Bossa Nova) from the forum file linked here, CC BY 4.0 via ChoCo. Performer/songwriter confirmed from Wikidata.
  • Section names: from the chart's own markings: section names written on the chart (Intro, Verse, Chorus…) are kept, and rehearsal letters are shown as “A Section”, “B Section” and so on (the B of an AABA song is called the Bridge).
  • Chord charts are often written in a key that suits a particular singer or band, so this may not be the key of the original recording.
  • About the song: Wikipedia.
  • Not verified: other charts of this song differ in places from this one, so this page isn't marked verified.
  • Rhythm and chord durations aren't shown; each step is one chord change.

Sources & Accuracy

Every chord on this page comes from the community chart listed first below. Piano voicings are our arrangement of the reported chord symbols, not a note-for-note transcription.

  • Chords from a chart a musician wrote and shared on the iReal Pro forums (archived in the ChoCo research dataset); may be in a different key from the recording, and not checked against it.

    Community chord chart “MAS QUE NADA” (credited “Jorge Ben Jor”, style Bossa Nova) from the forum file linked here, CC BY 4.0 via ChoCo. Performer/songwriter confirmed from Wikidata.

All Piano Voicings

#SectionChordLeft handRight handSources
1Intro 1 (×4)EmE2, B2B3, E4, G4—
2Intro 1 (×4)A7A2, E3C♯4, E4, G4—
3B Section 1, part 1 (×2)Em7E2, B2B3, D4, G4—
4B Section 1, part 1 (×2)A7A2, E3C♯4, E4, G4—
5B Section 1, part 2Am7A2, E3C4, E4, G4—
6B Section 1, part 2D7D2, A2C4, F♯4, A4—
7B Section 1, part 3 (×4)Em7E2, B2D4, G4, B4—
8B Section 1, part 3 (×4)A7A2, E3E4, G4, C♯5—
9B Section 1, part 4Em7E2, B2D4, G4, B4—
10B Section 1, part 4D♯m7D♯2, A♯2C♯4, F♯4, A♯4—
11B Section 1, part 4Dm7D2, A2C4, F4, A4—
12B Section 1, part 4G13G2, D3B3, E4, F4, A4—
13B Section 1, part 4Cmaj7C2, G2B3, E4, G4—
14B Section 1, part 4F♯m7♭5F♯2, F♯3C4, E4, A4—
15B Section 1, part 4B7♯9B1, F♯2C♯♯4, D♯4, F♯4, A4—
16A Section 1, part 1 (×3)Em7E2, B2D4, G4, B4—
17A Section 1, part 1 (×3)B7♯9B1, F♯2C♯♯4, D♯4, F♯4, A4—
18A Section 1, part 2 (×2)Em7E2, B2D4, G4, B4—
19A Section 1, part 2 (×2)A7A2, E3E4, G4, C♯5—
20A Section 1, part 3Am9A2, E3E4, G4, B4, C5—
21A Section 1, part 3D7D2, A2F♯4, A4, C5—
22A Section 1, part 3Gmaj7G2, D3F♯4, B4, D5—
23A Section 1, part 3F♯m7♭5F♯2, F♯3E4, A4, C5—
24A Section 1, part 3B7B1, F♯2F♯4, A4, D♯5—
25A Section 1, part 4 (×4)Em7E2, B2G4, B4, D5—
26A Section 1, part 4 (×4)B7♯9B1, F♯2F♯4, A4, C♯♯5, D♯5—
27A Section 1, part 5 (×2)Em7E2, B2G4, B4, D5—
28A Section 1, part 5 (×2)A7A2, E3G4, C♯5, E5—
29A Section 3, part 1 (×3)Em7E2, B2G4, B4, D5—
30A Section 3, part 1 (×3)B7♯9B1, F♯2F♯4, A4, C♯♯5, D♯5—
31A Section 3, part 2 (×2)Em7E2, B2G4, B4, D5—
32A Section 3, part 2 (×2)A7A2, E3G4, C♯5, E5—
33A Section 3, part 3Am9A2, E3G4, B4, C5, E5—
34A Section 3, part 3D7D2, A2F♯4, A4, C5—
35A Section 3, part 3Gmaj7G2, D3F♯4, B4, D5—
36A Section 3, part 3F♯m7♭5F♯2, F♯3E4, A4, C5—
37A Section 3, part 3B7B1, F♯2F♯4, A4, D♯5—
38A Section 3, part 4 (×4)Em7E2, B2G4, B4, D5—
39A Section 3, part 4 (×4)B7♯9B1, F♯2F♯4, A4, C♯♯5, D♯5—
40A Section 3, part 5Em7E2, B2G4, B4, D5—
41A Section 3, part 5A7A2, E3G4, C♯5, E5—
42A Section 3, part 5Em7E2, B2G4, B4, D5—
43A Section 3, part 5E7E2, B2G♯4, B4, D5—
44C Section 1Am7A2, E3G4, C5, E5—
45C Section 1D9D2, A2F♯4, A4, C5, E5—
46C Section 1Gmaj9G2, D3F♯4, A4, B4, D5—
47C Section 1Cmaj9C2, G2E4, G4, B4, D5—
48C Section 1F♯m7♭5F♯2, F♯3E4, A4, C5—
49C Section 1B7♭9B1, F♯2D♯4, F♯4, A4, C5—
50C Section 1Em7E2, B2D4, G4, B4—
51C Section 1B7B1, F♯2D♯4, F♯4, A4—
52C Section 1E7E2, B2D4, G♯4, B4—
53C Section 2Am7A2, E3E4, G4, C5—
54C Section 2D9D2, A2E4, F♯4, A4, C5—
55C Section 2Gmaj9G2, D3D4, F♯4, A4, B4—
56C Section 2Cmaj9C2, G2D4, E4, G4, B4—
57C Section 2F♯m7♭5F♯2, F♯3C4, E4, A4—
58C Section 2B7♭9B1, F♯2C4, D♯4, F♯4, A4—
59C Section 2Em7E2, B2B3, D4, G4—
60C Section 2A7♭9A2, E3B♭3, C♯4, E4, G4—
61D Section 1 (×2)Em7E2, B2B3, D4, G4—
62D Section 1 (×2)A7♭9A2, E3B♭3, C♯4, E4, G4—
63D Section 4, part 1 (×2)Em7E2, B2B3, D4, G4—
64D Section 4, part 1 (×2)A7♭9A2, E3B♭3, C♯4, E4, G4—
65D Section 4, part 2EmE2, B2B3, E4, G4—