K-R&B

History and character

K-R&B is South Korean R&B. Its roots lie in the '90s and 2000s with Solid, Brown Eyed Soul, Wheesung, Naul, Lena Park and the “ballad” R&B of groups like Fly to the Sky; many 2nd-generation idols (Taeyang, Rain, Se7en) brought R&B into the mainstream with productions by Teddy Park (whose production favors precisely contemporary R&B, especially for Taeyang and Se7en). In the 2010s an alternative, independent scene emerged: Zion.T (Yanghwa BRDG, 2014), Crush (Beautiful, Goblin OST, 2017), DEAN (D (Half Moon), instagram, 2017), Heize, Colde, Jamie, Lee Hi and BIBI, with labels such as AOMG, Amoeba Culture and The Black Label.

K-R&B absorbs alternative R&B (Frank Ocean, The Weeknd), neo-soul (D'Angelo, Erykah Badu), hip hop and city pop, with refined production, jazz harmony, soft vocals and lots of work on falsettos and layered harmonies. It is very present in OSTs, in idol B-sides (EXO, SHINee, Red Velvet on the “Velvet” side, SEVENTEEN) and in idols' solo albums (Taeyeon, Baekhyun, Kai, Jungkook with pop R&B influences).

Aesthetic: intimacy, sensuality and urban melancholy; whispered vocals close to the mic alternating with falsettos; dense vocal harmonies; slow, swung beats with lots of space; seventh, ninth and thirteenth chords.

Scales and keys

Dorian — the neo-soul mode

• Formula: 1 2 b3 4 5 6 b7 (T S T T T S T). In C Dorian: C D Eb F G A Bb.
• Characteristic note: major 6th (A): major IV (F7), minor ii (Dm7): a “warm” minor.
• Chords (modal scale): i Cm7 – ii Dm7 – III Ebmaj7 – IV F7 – v Gm7 – vi° Aø – VII Bbmaj7.
• Use: i9–IV13 vamp, melodic bass lines, falsettos that touch the 6th.
• Mistakes: using Ab (Aeolian) in the pad against an F7 in the bass.

Major with extensions (jazz Ionian)

• Formula: 1 2 3 4 5 6 7. In F: F G A Bb C D E.
• Chords: Fmaj9 Gm9 Am7 Bbmaj9 C13 Dm9 Eø7.
• Use: IVmaj7–iii7–vi7–ii7–V7 progressions (city pop/R&B), royal road with extensions.
• Example: Crush — Beautiful (major R&B ballad).

Natural minor (Aeolian)

• Formula: 1 2 b3 4 5 b6 b7. In F minor: F G Ab Bb C Db Eb.
• Use: nocturnal and alternative R&B; i7–VImaj7 loop.

Minor pentatonic and blues scale (melismas)

• 1 b3 4 5 b7 (+ b5): runs and melismas, end-of-phrase ad-libs.

Chromaticism and substitutions

Tritone substitution (bII7 instead of V7), passing diminished chords, chromatic ii–V: the jazz language of R&B.

How to choose

Neo-soul groove: Dorian. R&B ballad: major with extensions. Nocturnal alternative: Aeolian. Runs: pentatonic/blues.

Harmony

Function

Jazz-pop harmony: progressions rich in sevenths, ninths, elevenths and thirteenths, chained ii–Vs, tritone substitutions, passing diminished chords, highly colorful loops of 2–4 chords. The tension is continuous and soft; the cadences are “blurred”.

Techniques

• Voicings in fourths and clusters on the Rhodes (Cm11: Eb–Bb–D–F–G).
• Chromatic bass lines between chords.
• Semitone modulations and key changes for the chorus.
• Borrowed chords (ivm7, bVImaj7, bVII9).

Harmonic rhythm

1 chord per bar or per half bar; in neo-soul, chords anticipated (pushed) by a sixteenth note.

Typical progressions

Rhythm and groove

Slow, swung feel: swing 55–62% on sixteenth-note hats and ghost notes; kick and snare often “laid back” (10–25 ms late in the J Dilla neo-soul style); '90s R&B groove with a syncopated kick; ballads in 6/8; new jack swing in retro idol productions. Many songs use half-time with the snare on 3 and very sparse beats.

Drums

Kick

Steps 1, 8, 11 or 1, 4, 11 ('90s R&B); soft, round, medium decay; in neo-soul, varied velocities.

Snare, rim and clap

Snare or rim on 2 and 4 (or on 3 in half-time), often a soft clap or a snap; snare ghost notes (velocity 20–40) on steps 7, 10, 15.

Hi-hat and percussion

Swung sixteenth-note hats with very varied velocities; shaker; light percussion (congas, rimshots); sometimes no hats at all.

Interaction

The melodic bass converses with the kick; the vocal takes up a lot of space, so the drums stay minimal.

By section

Verse: sparse beat; chorus: extra hats and percussion; bridge: beat removed, just Rhodes and vocal; outro: ad-libs over the groove.

Fills and sounds

Minimal fills (a rim, a ghost note), half-bar stops. Warm, slightly lo-fi sounds (MPC, vinyl samples) or modern and clean. Mistakes: rigid quantization; hats that are too bright.

Bass

• Sound: fingerstyle electric bass (warm tone), soft synth bass (sine/triangle), soft, short 808 in alternative R&B.
• Notes: melodic lines with thirds, sevenths and chromatic passing notes; slides.
• Rhythm: syncopated, slightly behind the beat.
• Relationship with the kick: interlocking, no heavy sidechain.
• Examples: DEAN — instagram (soft bass under a minimal beat), Crush — Beautiful (ballad bass).

Harmonic instruments

Rhodes and Wurlitzer (the protagonists), piano, clean electric guitar (jazz chords, arpeggios), soft pads, strings in OSTs, vintage synths (Juno), light winds. Voicings in fourths, clusters and with extensions (9, 11, 13); mid register.

Melody and vocals

• Melody: soft, syncopated phrases, falsetto leaps, use of head voice for the choruses, short melismas at the end of phrases.
• Vocals: intimate, whispered, with audible breaths; light falsettos (Zion.T, DEAN); warm female timbres (Heize, Lee Hi).
• Backing vocals: layered harmonies of the same voice (3–6 parts) with full chords, falsettos on top, filler “ooh” and “yeah”, panned ad-libs.
• Effects: moderate plate and room, quarter-note delay, tight doubles, light Auto-Tune or as a color, one-octave pitch down for “shadow” vocals.

Instruments

Vocals, layered backing vocals, Rhodes/Wurlitzer, piano, clean electric guitar, electric or synth bass, drum machine and samples (MPC), pads, strings, winds.

Drum patterns

Synths and sounds

• Stage-73 V — Rhodes: The core sound: slow tremolo, voicings in fourths, light overdrive.
• Wurli V — Wurlitzer: Grittier, more intimate chords.
• Jun-6 V — Pads and synth bass: Warm pads with chorus and soft basses.
• Piano V — Piano: R&B ballads and OSTs.
• Mini V — Synth bass: Filtered sine/triangle with glide for soft lines.
• DX7 V — FM e-piano: '80s–'90s e-piano for retro R&B.

Song structure

Length 3:00–4:00.

Mixing and mastering

Sonic goal

Warm, soft and intimate: a close, full vocal, rich backing vocals sitting behind, round bass, discreet drums, silky highs (not harsh). References: DEAN — instagram, Zion.T — Yanghwa BRDG, Crush — Beautiful, Heize — Star, Colde — Wa-R-R.

Kick

HP 30 Hz, +2 dB at 60–80 Hz, −3 dB at 300 Hz, light LP; soft compression; center.

Snare/rim/clap

HP 120 Hz, body 200 Hz, softness (−2 dB at 5 kHz if harsh); 1 s plate or room; center.

Hi-hat and percussion

HP 400 Hz, LP 12 kHz, pan 20–40%, light saturation.

Bass

HP 30 Hz, fundamental 60–100 Hz, moderate presence at 600–900 Hz; opto 3 dB; mono.

Rhodes, guitars, pads

Rhodes: HP 80–100 Hz, −2 dB at 300 Hz, stereo tremolo/chorus; guitar: HP 150 Hz, room; pads: HP 200 Hz, wide; dynamic dip from the vocal at 2–4 kHz.

Vocals

• EQ: HP 80 Hz; manage the proximity effect at 150–250 Hz; presence +2 dB at 3 kHz; air +2/+3 dB at 12 kHz.
• Compression: LA-2A 4–6 dB + light 1176 2–3 dB; de-esser.
• Space: 1.2–1.6 s plate, 40 ms pre-delay; filtered quarter-note delay.
• Saturation: light tube.

Layered backing vocals

Bus with HP 150–200 Hz, 6–8 dB compression, heavy de-esser, fanned panning, longer reverb; the higher falsettos wider.

FX

Vinyl crackle, reverses, filters as color.

Buses and groups

Music bus with tape and 1 dB glue; vocal bus 1–2 dB.

Sidechain

Minimal; dynamic ducking of the pads from the vocal.

Master

Chain: soft EQ → tape → compressor 1 dB → limiter. Target −10/−8 LUFS, true peak ≤ −1 dBTP, PLR 9–12 dB.

Common mistakes

Backing vocals too loud, covering the lead; harsh highs (R&B must be silky); bass without definition; too much reverb pushing the vocal away.

Reference tracks for the mix

Zion.T — Yanghwa BRDG (2014); DEAN — D (Half Moon) (2016); DEAN — instagram (2017); Crush — Beautiful (2017); Heize — Star (2016).

Reference listening

• Solid — Holding the End of This Night (1995)
• Wheesung — With Me (2003)
• Taeyang — Eyes, Nose, Lips (2014)
• Zion.T — Yanghwa BRDG (2014)
• DEAN — D (Half Moon) (2016)
• Heize — Star (2016)
• DEAN — instagram (2017)
• Crush — Beautiful (2017)