Forró

History and character

Forró is the dance music of Brazil's Northeast (Bahia, Pernambuco, Paraíba, Rio Grande do Norte, Alagoas, Ceará), born in the outskirts of the capitals and in the rural areas of the sertão. An alternative theory links it to a Galician-Portuguese term for a boring party (the derivation from English 'for all' is, by contrast, a legend). 'Going to the forró' meant going to a party. Forró is tied to the Festas Juninas (June festivals of St. John and St. Peter), which spread it throughout Brazil.

The key figure is Luiz Gonzaga (1912–1989), an accordionist from Exu (Pernambuco), who in the 1940s in Rio de Janeiro codified and popularized the baião together with the lyricist Humberto Teixeira (the 1946 song "Baião"; according to Câmara Cascudo, its success that year pushed the baião into the mainstream in place of the bolero craze) and wrote classics such as "Asa Branca" (1947, with Teixeira), "Juazeiro", "Paraíba", "Xote das Meninas". Gonzaga established the forró trio: sanfona (accordion, melody), zabumba (a double-headed drum played with a mallet and a stick, the syncopations) and triângulo (triangle, the continuous pulse in sixteenth notes). Other key figures: Jackson do Pandeiro (king of rhythm and coco), Marinês, Dominguinhos, Sivuca, Trio Nordestino, Elba Ramalho, Alceu Valença.

Rhythms and styles: baião, xote (slower, for couples), xaxado, arrasta-pé (the fastest), coco, forró pé-de-serra (traditional), forró universitário (1990s, students from the Southeast: Falamansa, Rastapé), forró eletrônico (1990s, electric guitars, keyboards, dancers and big bands: Mastruz com Leite, Limão com Mel, Calcinha Preta, later Aviões do Forró, Wesley Safadão), forró rabecado (with the rabeca, a folk fiddle, in place of the accordion). Aesthetics: modal accordion melodies (Mixolydian and Lydian dominant), a bouncy groove in 2/4 (or 4/4) with the syncopated zabumba and the relentless triangle, nasal and passionate singing, and lyrics about the sertão, drought, migration, love, and partying.

Scales and keys

Mixolydian

• Formula: 1 2 3 4 5 6 b7 — W W H W W H W (semitones 2 2 1 2 2 1 2)
• Example in G: G A B C D E F
• Characteristic note: the b7 over a major base: an 'earthy,' festive major, with no leading tone
• Diatonic triads: G (I) – Am (ii) – Bdim (iii°) – C (IV) – Dm (v) – Em (vi) – F (VII)
• Seventh chords: G7 (I7) – Am7 (ii7) – Bm7b5 (iiiø7) – Cmaj7 (IVmaj7) – Dm7 (v7) – Em7 (vi7) – Fmaj7 (VIImaj7)
• Use in the genre: the main color of the sanfona and vocal melodies in baião: the b7 (F in G) with no leading tone gives the Northeast's 'sertanejo' sound.
• Real-world example: Luiz Gonzaga — Asa Branca (1947) and many baiões alternate major and Mixolydian in the melody (check the version).
• Common mistakes: harmonizing the b7 with a V7: the melody's b7 calls for I7 or bVII.

Lydian dominant (Mixolydian #4)

• Formula: 1 2 3 #4 5 6 b7 — W W W H W H W (semitones 2 2 2 1 2 1 2)
• Example in C: C D E F# G A Bb
• Characteristic note: #4 + b7: a bright dominant; in Brazil it is the 'Northeastern scale' (Mixolydian with #4)
• Diatonic triads: C (I) – D (II) – Edim (iii°) – F#dim (iv°) – Gm (v) – Am (vi) – Bbaug (VII+)
• Seventh chords: C7 (I7) – D7 (II7) – Em7b5 (iiiø7) – F#m7b5 (ivø7) – Gm(maj7) (v(maj7)) – Am7 (vi7) – Bbmaj7#5 (VII+maj7)
• Use in the genre: the so-called 'Northeastern scale' (Mixolydian with #4: C D E F# G A Bb): the most typical sound of the sanfona melodies of Gonzaga and Dominguinhos, over I7 chords.
• Real-world example: baião sanfona intros and choruses often use #4 and b7 together; the sources on baião cite the use of Lydian and Mixolydian and the II degree with an augmented fourth.
• Common mistakes: using the #4 over a major chord with a major 7: it is a color for seventh chords.

Dorian

• Formula: 1 2 b3 4 5 6 b7 — W H W W W H W (semitones 2 1 2 2 2 1 2)
• Example in D: D E F G A B C
• Characteristic note: the major 6 over a minor base: an 'open' minor, less sad, which gives a major IV
• Diatonic triads: Dm (i) – Em (ii) – F (III) – G (IV) – Am (v) – Bdim (vi°) – C (VII)
• Seventh chords: Dm7 (i7) – Em7 (ii7) – Fmaj7 (IIImaj7) – G7 (IV7) – Am7 (v7) – Bm7b5 (viø7) – Cmaj7 (VIImaj7)
• Use in the genre: in minor baiões and xotes: minor with a major 6, i–IV progressions, melancholy sertão melodies.
• Real-world example: many 'sad' baiões (drought, migration) use Dorian minor (the sources on baião cite Dorian among the typical modes).
• Common mistakes: using the b6: it loses the Northeastern color.

Major (Ionian)

• Formula: 1 2 3 4 5 6 7 — W W H W W W H (semitones 2 2 1 2 2 2 1)
• Example in F: F G A Bb C D E
• Characteristic note: the 7 (leading tone) and the major 3: brightness and a strong V–I resolution
• Diatonic triads: F (I) – Gm (ii) – Am (iii) – Bb (IV) – C (V) – Dm (vi) – Edim (vii°)
• Seventh chords: Fmaj7 (Imaj7) – Gm7 (ii7) – Am7 (iii7) – Bbmaj7 (IVmaj7) – C7 (V7) – Dm7 (vi7) – Em7b5 (viiø7)
• Use in the genre: xote and romantic forró, forró universitário and eletrônico: tonal I–IV–V7 harmony, singable melodies.
• Real-world example: Falamansa — Xote dos Milagres (2000) and forró universitário in major.
• Common mistakes: forgetting the modal colors in the sanfona melodies: even in major, forró 'winks' at the Mixolydian.

Choosing among the genre's scales

• Traditional baião, sanfona → Mixolydian and Lydian dominant ('Northeastern scale').
• Melancholy baião/xote → Dorian.
• Xote, forró universitário and eletrônico → major.
• Melodies often use several modes on the same tonic: Mixolydian in the verse, Lydian dominant in the intro, major in the chorus.

Harmony

Harmonic function

Simple and partly modal harmony: I–IV–V7, I7 as tonic (Mixolydian), I–bVII, i–IV (Dorian); the I, II, IV and V degrees predominate, with the II degree often major or with an augmented fourth (Lydian color). Slow harmonic rhythm: 1 chord every 1–2 bars of 2/4.

Elements

• Tonic pedal in sanfona introductions.
• I7 used as a stable tonic (not as a dominant).
• II7 (D7 in C) leading to V or back to I: Northeastern color.
• Forró eletrônico: pop harmonies (I–V–vi–IV) with keyboards.

Voicing

• Sanfona: melody in thirds and sixths, basses and chords with the left hand (Stradella basses: root and chord).
• Guitar/violão: chords on the downbeats and upbeats; in forró eletrônico, clean electric guitar and keyboards.

Typical progressions

Rhythm and groove

Feel

2/4 meter (also written in 4/4), a bouncy, syncopated groove, with slight swing on the sixteenth notes (5–15%). The trio creates the groove: zabumba (syncopated accents), triangle (continuous sixteenth notes with an open hit on the last of each beat), sanfona (accompaniment with basses and chords in a pattern).

The baião

• Zabumba: mallet hit on the low head on 1 and on the 'a' of 1 (dotted eighth + sixteenth), muted hit on 2; the thin stick (bacalhau) on the lower head plays the offbeats (see r-baiao).
• Triangle: 'tchi-tchi-tchi-TCHIM' (closed sixteenth notes with an open hit on the last one).

Other rhythms

• Xote: slower, similar to a schottische, with accents on 1 and 2&.
• Arrasta-pé: very fast, similar to a march/frevo.
• Xaxado: tied to the cangaço, a marked rhythm.
• Coco: with pandeiro and ganzá, Afro-Indigenous influence.

Accents

The zabumba figure (1, 1a, muted 2) is the 'heart'; the couple dance follows steps in 2 with 'dois pra lá, dois pra cá'.

Drums

Instrumentation

Zabumba and triângulo (plus optional ganzá/agogô/pandeiro); in forró eletrônico, drum kit, electronic percussion and congas.

Zabumba

• Mallet (upper head, low): hits on 1 and on the 'a' of 1 (sixteenths 1 and 4 out of 8), muted hit (abafado) on 2 (sixteenth 5) — kick and toml lanes of r-baiao.
• Bacalhau (thin stick on the lower head, high): hits on the offbeats (sixteenths 3 and 7) — rim lane.
• Variations and fills at the ends of phrases; wide dynamics.

Triangle

• Continuous sixteenth notes: the hand closes the triangle (the 'tchi' sound) and opens on the last sixteenth of each beat (the 'tchim' sound) — chh and ohh lanes. Constant velocity with accents on the open hits.

Drum kit (forró eletrônico / universitário)

• Kick imitating the zabumba (1, 1a), snare or cross-stick on 2, hi-hat in sixteenth notes like the triangle; toms for fills.

Interaction

• Zabumba + triangle = the complete groove; the sanfona adds accents with its basses; vocals and melodies on top.

By section

• Intro: sanfona alone or with triangle.
• Verse: basic groove.
• Chorus: everyone, with backing vocals.
• Sanfona interlude: more active zabumba.

Typical mistakes

• Zabumba programmed like a kick on the quarter notes.
• Triangle without the open hit (it becomes just any shaker).
• Wrong tempo for the style (xote too fast, arrasta-pé too slow).

Bass

• Traditional: the basses are those of the sanfona (left hand) and the low head of the zabumba.
• Modern: electric bass following the zabumba (notes on 1 and 1a, root and fifth), range E1–E3; in forró eletrônico, more pop-style lines.
• Notes: root and fifth, short passing notes between I, IV and V.

Harmonic instruments

• Sanfona (piano or button accordion, 80–120 basses): main melody, thirds, basses and chords.
• Rabeca (folk fiddle) in forró rabecado.
• Violão and cavaquinho for harmony.
• Electric guitar and keyboards in forró eletrônico; sax and winds in modern bands.

Melody and vocals

Vocals

• Nasal, open and powerful voice, with Northeastern inflections; modal melodies (Mixolydian, Lydian dominant, Dorian); phrases of 2–4 bars.
• Lyrics: the sertão, drought, longing for the homeland (Asa Branca), love, festas juninas.

Backing vocals

• Second voices in thirds, choirs in the choruses; in forró eletrônico, male and female voices alternate.

Melodic instruments

Sanfona in introductions, answers and interludes; rabeca, flute (pífano) in pífano bands.

Instruments

• Sanfona (accordion), rabeca, pífano
• Zabumba, triângulo, pandeiro, ganzá, agogô
• Violão, cavaquinho, electric bass
• Electric guitar, keyboards, drum kit, sax (forró eletrônico)
• Vocals, backing vocals

Drum patterns

Synths and sounds

• DX7 V — Forró eletrônico keyboards: Basses, e.piano and FM leads typical of 1990s bands.
• Jup-8 V — Synth pads and brass: Pads and stabs for forró eletrônico.
• Piano V — Piano for romantic forró: Simple chords in ballads.
• Augmented Strings — Strings for romantic forró: String pad in the pop versions.

Song structure

Typical form (≈ 2:30–4:00)

Arrangement

The sanfona introduces, answers the voice, and closes; the trio stays constant. In forró eletrônico the form is pop, with a keyboard or sax intro.

Mixing and mastering

Sonic goal

A lively, warm trio: sanfona and vocals up front, zabumba with body (low end) and attack (bacalhau), triangle clear but not shrill. Forró eletrônico has a more compressed pop mix. References: Luiz Gonzaga — Asa Branca, Dominguinhos, Falamansa — Xote dos Milagres, Mastruz com Leite.

Zabumba

• Low head: HP 40 Hz, body 70–110 Hz (+2/+3 dB), −2 dB at 300–400 Hz.
• Bacalhau: +2 dB at 2–4 kHz.
• 3:1 compression (2–3 dB), transient shaper; center.

Triangle

• HP 2–3 kHz, control at 6–9 kHz (−2/−3 dB if it pierces), panning ±30–40; level −10/−14 dB below the vocal but always audible.

Bass

• HP 35 Hz, +2 dB at 80 Hz; 3:1 compression. Center; avoid overlaps with the zabumba (separate 60 vs 100 Hz).

Sanfona

• HP 120 Hz (watch the Stradella basses), −2/−3 dB at 500–800 Hz, +2 dB at 2–3 kHz; 3:1 compression (3 dB); center or +15; plate 1–1.3 s at 12%.

Guitars and keyboards

• HP 100 Hz, panning ±30–50, below the sanfona.

Vocal

• HP 90 Hz, −2 dB at 300 Hz, +3 dB at 2–4 kHz (a nasal voice needs control at 1–1.5 kHz if it sounds 'trumpety'); 4:1 compression (3–5 dB); plate 1.2 s at 12–15%.

Backing vocals

HP 150 Hz, panning ±40.

Buses and groups

Light percussion bus; vocal bus.

Sidechain

None.

Master

• Traditional: −12/−10 LUFS integrated, PLR 10–12 dB.
• Forró eletrônico: −9/−7 LUFS, PLR 7–9 dB. True peak ≤ −1 dBTP.

Common mistakes

• A shrill triangle that fatigues the ear.
• A 'nasal' sanfona (500–800 Hz) that covers the vocal.
• Zabumba without the high head (the offbeat is lost).

Reference tracks for the mix

• Luiz Gonzaga — Asa Branca (1947)
• Luiz Gonzaga — Juazeiro (1949)
• Dominguinhos — Eu Só Quero um Xodó (1973, with Anastácia)
• Falamansa — Xote dos Milagres (2000)

Reference listening

• Luiz Gonzaga — Baião (1946, con Humberto Teixeira)
• Luiz Gonzaga — Asa Branca (1947)
• Luiz Gonzaga — Juazeiro (1949)
• Jackson do Pandeiro — Sebastiana (1953)
• Dominguinhos — Eu Só Quero um Xodó (1973)
• Falamansa — Xote dos Milagres (2000)
• Wesley Safadão — repertorio forró eletrônico anni 2010