The Core Idea

One musical idea. Many possible worlds.

Fantastic Scales starts with music you can actually hear. Keep the recognizable gesture, change its pitch world, and compare what different scales do to the same idea.

1

Start with music

Use a Play-Along song or import your own MIDI phrase.

2

Search by character

Ask for Mysterious, Peaceful, Dramatic, Epic, or another direction.

3

Transform

Hear the same musical idea reinterpreted through another scale.

4

Compare

Move through alternatives while the music remains recognizable.

5

Understand

Inspect the Character Spectrum, Scale Portrait, modes, and structure.

Creative Uses

For composers who ask “what else?” and improvisers who never want to stop exploring.

The same transformation engine becomes a composition tool, an improvisation laboratory, and a way to turn scale theory into sound.

Composers & Songwriters

Take a melody, ostinato, sketch, or harmonic idea you already like and hear it refracted through entirely different scale worlds. Use Character Search to find directions you might never have chosen by name.

Jazz & Improvising Musicians

Turn one lick into a vocabulary laboratory. Transform familiar lines through unusual scales and chord contexts, then study the intervals and modes that create the new language.

Producers & Theory Explorers

Bring MIDI ideas from a larger workflow, experiment quickly, export what surprises you, and use visual structure to understand why the result feels different.

For Composers

What else could this idea become?

Start with a phrase that already has an identity. Instead of rewriting it from scratch, change the scale world around it and listen for a new direction.

In our demo, a Debussy-like idea begins with C Whole Tone over an augmented triad. Search for Mysterious in a maj7 context and Fantastic Scales surfaces the Shostakovich scale among the strongest matches. Apply it, and the same idea takes on a completely different harmonic character.

The composition stays recognizable.

Its harmonic DNA changes.

Fantastic Scales composer workflow from Whole Tone to Shostakovich scale

For Improvisers

Turn one lick into a vocabulary laboratory.

Import a line you already know. Transform it through unfamiliar scales while keeping the musical gesture intact enough to recognize. Hear the new interval language before you ever memorize a formula.

Our jazz demo starts with a bebop line and sends it through a symmetric Messiaen scale— a quick way to hear how familiar phrasing can become fresh improvisational material.

Fantastic Scales jazz line transformed through a symmetric Messiaen scale

Search by Sound

Find the sound before you know its name.

Search for a musical character instead of starting from a scale name. Fantastic Scales ranks scales against the direction you choose.

Mysterious

Peaceful

Epic

Dramatic

Or go beneath the Characters and search by Sound Property:

Brightness
Tension
Activity
Roughness
Major Affinity
Minor Affinity

Fantastic Scales Character Search interface

Character Spectrum

See character at a glance.

Every scale has a second visual fingerprint: a spectroscopy-inspired view of all eight Character affinities. Position tells you which Character you are seeing. Intensity tells you how strongly the scale expresses it.

Mysterious

Sad

Peaceful

Floating

Joyful

Epic

Restless

Dramatic

Fantastic Scales Character Spectrum across scale cards

Scale Portrait

Every scale has a structure you can see.

Character tells you how a scale tends to feel. The Scale Portrait shows what the scale is made of.

Note count and distinct modes
Distinct transpositions and symmetry
Twelve-position pitch frame and scale path
Consecutive-fifths structure
Source-family relationships
Bi-triadic components
Interval fingerprint

Open Reading This Scale Portrait inside the app to interact with the geometry and learn what each element means.

Fantastic Scales Scale Portrait showing structural properties

Your Own Music

Bring your own MIDI idea.

Bring in a melody, lick, pattern, ostinato, or sketch from your DAW or notation software. Explore it through different scales, then export the transformed MIDI and continue working wherever you create music.

Free workflow

Two successful MIDI imports. Transform them. Export transformed MIDI.

Full Access

Unlimited importing plus transposition into any key.

Fantastic Scales MIDI import transform and export workflow

The Scale Universe

An entire universe of scales, organized so it makes musical sense.

Fantastic Scales maps all 2,036 scales of three or more notes in the twelve-note system into related modal families. The complete root-based combinatorial set contains 2,048 pitch collections; the 12 two-note intervals are intentionally omitted.

Core

Familiar and essential scale families.

Expanded

A broader world of musically significant scales.

Complete

All 2,036 supported scales for maximum exploration.

Free to Explore

The scale universe is not behind a paywall.

Explore every supported scale for free. Full Access expands the creative search and workflow tools with one permanent purchase.

Free

Browse and audition all 2,036 scales
Core, Expanded, and Complete collections
Families and related modes
Every Scale Portrait
Every Character Spectrum
Every Sound Property
A selection of Character searches
An included Play-Along song
Two successful MIDI imports
Export transformed MIDI

Full Access

Go deeper when you are ready.

Complete Character vocabulary
Advanced structural filters and sorting
Additional included Play-Along songs
Unlimited MIDI importing
Transposition into any key

One purchase. No subscription.

Fantastic Scales + Tessitura Pro Scales

Discover it in Fantastic Scales. Master it in Tessitura Pro Scales.

Both apps share a deep foundation of scale knowledge, but they serve different musical goals. Fantastic Scales is built for discovery, comparison, composition, and creative transformation. Tessitura Pro Scales is built for structured practice, all-key fluency, patterns, and instrumental mastery.

Fantastic Scales

Discover • Compare • Transform • Compose

Tessitura Pro Scales

Practice • Internalize • Play in all keys • Master

Explore Tessitura Pro Scales

FAQ

Questions musicians usually ask

Do I need to know advanced scale theory to use Fantastic Scales?

No. You can begin by listening. Search by Character, audition results, and transform music first. Scale Portraits, related modes, and structural tools are there when you want to understand what you are hearing.

Is Fantastic Scales AI-generated music?

No. Fantastic Scales does not use generative AI to compose music or invent phrases for you. Its scale analysis and Character Search are built from music-theory structure, interval relationships, harmonic context, and acoustic and psychoacoustic properties of the scales themselves.

When Fantastic Scales transforms a Play-Along or your MIDI idea, it uses a theory-based mapping system to reinterpret the pitches inside the selected scale and chord context while preserving the timing, durations, rests, and recognizable musical shape of the original.

The musical idea remains yours. Fantastic Scales lets you hear what that idea becomes in another scale world.

What is a Character Spectrum?

It is a visual fingerprint showing how strongly a scale expresses eight high-level Characters: Mysterious, Sad, Peaceful, Floating, Joyful, Epic, Restless, and Dramatic. Each Character keeps a fixed position so spectra can be compared across scales.

What is a Scale Portrait?

A Scale Portrait combines several structural properties of a scale into one visual identity, including modes, symmetry, fifths structure, interval content, and source-family relationships.

Can I use my own MIDI?

Yes. Import a MIDI idea, transform it through different scales, and export the transformed result. The free version includes two successful imports; Full Access removes the import limit and adds transposition into any key.

Is MIDI export a Full Access feature?

No. MIDI export is available for transformed user-imported MIDI in the free experience as well.

Is Fantastic Scales a subscription?

No. Fantastic Scales is free to download. Full Access is a one-time permanent purchase.

How is Fantastic Scales different from Tessitura Pro Scales?

Fantastic Scales is centered on discovery, comparison, creative transformation, composition, and improvisational exploration. Tessitura Pro Scales is centered on practicing scales deeply, building patterns, developing all-key fluency, and instrumental mastery.

Hear what your music could become.