Chromatic Mediants Explained: The Cinematic Chord Trick for Your Beats

You know that moment in a movie score where the music suddenly shifts and everything feels bigger, brighter or scarier, even though nobody changed the tempo? Very often that is a chromatic mediant. It is one of the simplest ways to make a basic loop sound cinematic, and it only takes moving two notes in your piano roll.

In this guide you will learn what a chromatic mediant is, the four chords you get in every key, how to build them in seconds, five ways to use them in trap, R&B and pop beats, and a chart for all 12 keys.

What is a chromatic mediant?

A chromatic mediant is a chord whose root is a major or minor third away from your home chord, has the same quality (major stays major, minor stays minor) and shares exactly one note with it. Because at least one of its notes falls outside the key, it sounds like a sudden change of color.

Take C major (C, E, G). The normal, in-key chords a third away are Em and Am. Change those to major, or lower them a half step, and you get the four chromatic mediants of C:

  • E major (III): E, G♯, B. Shares the E.
  • A major (VI): A, C♯, E. Shares the E.
  • E♭ major (♭III): E♭, G, B♭. Shares the G.
  • A♭ major (♭VI): A♭, C, E♭. Shares the C.

The name comes from the "mediant", the third degree of the scale, and "submediant", the sixth degree. Those are the two spots where these chords live. New to numbers like III and ♭VI? Read Roman numeral chords explained.

What about doubly chromatic mediants?

Go one step further and flip the quality too. In C major, E♭ minor (E♭, G♭, B♭) and A♭ minor (A♭, C♭, E♭) share no notes at all with C major. Theory books call these doubly chromatic mediants. They sound even stranger and more dreamlike, so use them sparingly.

Why do chromatic mediants sound so cinematic?

  • One note stays, the rest shifts. That shared note keeps your ear anchored, so the change feels smooth. The other notes move by small steps to notes outside the key, so it also feels surprising.
  • There is no "pull" like V to I. A chromatic mediant does not want to resolve anywhere. It simply changes the mood, which is perfect for film music that needs to show a new scene or emotion instead of ending a phrase.
  • Same quality, different world. Going from one major chord to another major chord a third away sounds bright and heroic. Going from one minor chord to another minor chord a third away sounds dark and mysterious.

They were rare in the Baroque and Classical periods and became much more common in Romantic music in the 19th century. Today film composers use them all the time because of that emotional shift.

Want to hear it before you build it? This video by Rick Beato shows how composers use chromatic mediants to move between keys, with lots of examples played on the piano.

Video: Why Top Composers Use Chromatic Mediant Modulations, by Rick Beato on YouTube.

How to build a chromatic mediant in your piano roll

This works in FL Studio, Logic Pro, Ableton or any other DAW. The trick: keep one note and move the other two.

  1. Find your key. Not sure what key your beat or sample is in? Drop it into the free BPM and key finder first.
  2. Play your home chord. For example C major: C, E, G.
  3. Pick the note you want to keep. Keep C and you go to A♭. Keep E and you go to E or A major. Keep G and you go to E♭.
  4. Move the other two notes by a half or whole step. Here are the moves from C major:
    • To A♭: C stays, E goes down to E♭, G goes up to A♭.
    • To E: E stays, C goes down to B, G goes up to G♯.
    • To E♭: G stays, E goes down to E♭, C goes down to B♭.
    • To A: E stays, C goes up to C♯, G goes up to A.
  5. Move your 808 or bass with the root. The bass makes the jump clear. Without it, the chord can sound like a random inversion.

Because the notes move by such small steps, the voice leading is almost automatic. More on that in voice leading explained.

5 ways to use chromatic mediants in your beats

1. The dark minor shift (trap and drill)

In a minor key, the chromatic mediants are minor chords too. In A minor, the strongest one for dark beats is F minor (F, A♭, C), a major third down:

Am, Am, Fm, Fm

The C stays, A slides down to A♭ and E slides up to F. It sounds like the villain just walked in. Put it on a choir, bell or string patch, keep the 808 on A and F, and leave space up top for the vocal. More loops in this mood: scary chord progressions.

2. The heroic lift (cinematic, epic beats)

Major to major a third apart sounds big and triumphant. Try:

C, A♭, C, E

The A♭ feels warm and huge, the E at the end feels like the camera rising up over a landscape. Layer it with brass or wide pads and hard drums. Want more progressions like this? See epic chord progressions.

3. The mysterious float (ambient, dreamy R&B)

Seventh chords make chromatic mediants softer. Cmaj7 (C, E, G, B) and A♭maj7 (A♭, C, E♭, G) even share two notes: C and G. Try:

Cmaj7, A♭maj7, Cmaj7, A♭maj7

Slow, warm and a little unreal. Perfect under a melodic vocal with lots of reverb. For more ideas in this direction, check dreamy chord progressions.

4. The surprise before the hook (pop)

Use a normal diatonic progression for most of your loop and drop in one chromatic mediant right before the hook:

C, Am, F, E

That E major (with G♯) is a chromatic mediant of C. It creates a bright tension that makes the return to C feel fresh. ♭III and ♭VI (E♭ and A♭ in C) are also borrowed chords from C minor, so they fit naturally in pop too.

5. The instant key change

Because a chromatic mediant shares one note with your home chord, it is also a smooth way to jump to a new key. Play your last chorus in C, hold the E in the melody, and start the next section in E major. The shared note makes the jump feel planned instead of random. Read more ways to do this in how to change key in a song.

Chromatic mediant chart for every key

For a major key, all four chords are major. For a minor key, use the same roots but make every chord minor. Example: in A minor you get C♯m, Cm, F♯m and Fm.

Home keyIII (major 3rd up)♭III (minor 3rd up)VI (minor 3rd down)♭VI (major 3rd down)
CEE♭AA♭
C♯ / D♭FEB♭A
DF♯FBB♭
E♭GG♭CB
EG♯GC♯C
FAA♭DD♭
F♯ / G♭A♯ / B♭AD♯ / E♭D
GBB♭EE♭
A♭CBFE
AC♯CF♯F
B♭DD♭GG♭
BD♯DG♯G

Some of these have a "proper" theory spelling (in A♭, the ♭III is officially C♭ and the ♭VI is F♭). In the piano roll you just use the key that sounds the same, so the chart shows the easy names.

Common mistakes

  • Changing the quality by accident. In C major, Em is just the normal iii chord. You need E major (with G♯) for the cinematic effect.
  • Leaving the melody on the old notes. A melody that keeps playing E over an A♭ chord will clash. Follow the chord, or build your melody around the shared note.
  • A static 808. If your 808 stays on the root of the key, the jump gets lost or turns muddy. Move it with the chord.
  • Rushing it. Chromatic mediants need time to land. Give each chord at least one full bar, often two.
  • Stacking too many. Two or three chromatic mediants in a row can make the key unclear. Unless that is the point, return home in between.

Try it right now

Make a simple loop in the free chord progression generator, download the MIDI and drag it into your DAW. Pick one chord and swap it for a chromatic mediant from the chart above. Want to hear your loop in a different key or tempo first? The Beat Lab lets you pitch and check it in your browser. Rather write over a beat that is already finished? Browse the NameOnTheBeat beats.

FAQ

What is a chromatic mediant in simple terms?

A chord a third away from your home chord, with the same quality (major or minor), that shares one note with it and borrows at least one note from outside the key. In C major the four chromatic mediants are E, A, E♭ and A♭ major.

What are the chromatic mediants of A minor?

C♯ minor, C minor, F♯ minor and F minor. Each shares one note with A minor (E, C, A and C).

Is a chromatic mediant the same as a borrowed chord?

Sometimes. ♭III and ♭VI in a major key (E♭ and A♭ in C) are both chromatic mediants and borrowed chords from the parallel minor. III and VI major (E and A in C) are chromatic mediants but not borrowed from C minor.

What is the difference between a mediant and a chromatic mediant?

The mediant is the normal chord on the third degree of the key, like Em in C major. A chromatic mediant is an altered version that falls outside the key, like E major or E♭ major in C.

Do chromatic mediants work in trap?

Yes. A minor chord moving to another minor chord a major third down, like Am to Fm, is a great way to make a trap or drill loop sound dark and cinematic with only two chords.

Why do film composers use chromatic mediants?

They change the mood instantly without the music sounding like it ends. That makes them perfect for showing a new scene, a reveal or a big emotional moment.

Want more free help with chords, keys and BPM? Check out all free music tools for producers, rappers and DJs.

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