What Is the Whole Tone Scale?
Perfect symmetry — six notes, all a whole step apart
The Whole Tone scale is one of the most mathematically elegant and harmonically unusual scales in music. It contains exactly six unique notes, and every adjacent pair is separated by exactly two semitones — one whole step. In C Whole Tone: C (0), D (2), E (4), F# (6), G# (8), A# (10) — and then back to C at 12 semitones. The scale divides the octave into exactly six equal parts, making it one of only a handful of "symmetric" or "equal division" scales in common use.
This perfect symmetry has profound consequences for the scale's sound and function. Because every interval in the scale is identical, no single note has more "gravity" than any other — there is no root note, no leading tone, no half-step resolution. The scale has no tonal center in the traditional sense, meaning melodies in the Whole Tone scale feel like they are floating without ground beneath them. They can begin or end on any note without feeling "complete" or "incomplete" in the normal sense. This harmonic weightlessness is both the scale's greatest strength and its most distinctive quality.
The scale also contains some unusual intervals. Every note is a tritone away from another note in the scale (C is a tritone from F#, D from G#, E from A#) — giving the scale a constant undercurrent of that "devil in music" ambiguity. Every three consecutive notes form an augmented triad. The harmonic landscape of the Whole Tone scale is one of constant, mild tension that never fully resolves, contributing to its dreamlike, surreal quality. On the tongue drum with 8 tongues, the C Whole Tone scale is represented as C4, D4, E4, F#4, G#4, A#4, then C5 and D5 — repeating the first two notes of the scale an octave higher.
Cultural Origin
Debussy, Ravel, and French Impressionism
The Whole Tone scale was systematically explored by Western composers during the French Impressionist period of the late 19th and early 20th centuries. Claude Debussy is its most famous champion — his piano preludes, particularly Voiles (1909), use the Whole Tone scale almost exclusively to create a shimmering, motionless quality evocative of sails on a windless sea.
Debussy's use of the Whole Tone scale was part of a deliberate rejection of the German Romantic harmonic tradition (Wagner, Brahms) that dominated late 19th century music. Where German Romanticism used intense chromaticism to increase harmonic tension and direction, Debussy used the Whole Tone scale to eliminate harmonic direction entirely — creating music that felt like impressionist painting: more concerned with colour, texture, and atmosphere than with narrative structure.
Maurice Ravel also used the Whole Tone scale, as did many other Impressionist and early Modernist composers. In the 20th century, the scale appeared in film music (particularly for dream sequences, magic, and unreality), in jazz (it underpins certain augmented chord voicings), and in contemporary ambient and electronic music. Outside Western classical music, the Whole Tone scale appears in various forms in Indonesian gamelan music and some other non-Western traditions where equal-interval divisions of the octave are used.
Sound Character
Floating, ambiguous, and impressionistic
The Whole Tone scale sounds like no other scale in common use. It is immediately distinctive to any ear familiar with Western music — the absence of half steps creates a quality of weightless suspension, as if the music is hovering slightly above the ground. Melodies in Whole Tone feel dreamlike and unmoored, moving smoothly through a landscape with no hard edges or definitive destinations.
Film composers have used the Whole Tone scale extensively to signal dream sequences, magical transformations, and unreality. The scale's harmonic ambiguity — its refusal to commit to a tonal center — tells the audience that normal rules are suspended. Bernard Herrmann used it in his Hitchcock scores; John Williams has employed it in fantasy contexts; countless horror and thriller composers use it to signal supernatural or surreal elements.
On a steel tongue drum, the Whole Tone scale has a particularly striking quality. The instrument's natural resonance and sustain means notes linger and blend, and in the Whole Tone scale every combination of notes creates complex, shimmering dissonances and consonances that shift continuously. Playing slowly with long gaps between notes creates a meditative, floating sensation. Playing quickly creates a waterfall of equal, undifferentiated steps that feels simultaneously mechanical and magical. The scale is an excellent choice for ambient, experimental, or meditative tongue drum music.
Scale Structure
Intervals and degrees
| Degree | Note | Interval from Root |
|---|---|---|
| 1st | C | Root (unison) |
| 2nd | D | Major 2nd (2 semitones) |
| 3rd | E | Major 3rd (4 semitones) |
| #4th | F# | Augmented 4th (6 semitones) |
| #5th | G# | Augmented 5th (8 semitones) |
| ♭7th | A#/B♭ | Minor 7th (10 semitones) |
How to Play
Tips for Whole Tone on tongue drum
- Play any note as a "starting point" — there is no wrong place to begin
- Ascend or descend the full scale for an immediately distinctive, floating effect
- Let notes sustain together — Whole Tone clusters sound rich, not harsh
- Try playing every other note: C–E–G#–C5 for an augmented triad arpeggio
- Use silence strategically — the scale's floating quality is enhanced by space
- Play the scale very slowly for maximum impressionist, meditative effect
- Try playing in contrary motion (ascending and then immediately descending)
- Experiment with the Auto Play feature — algorithmic whole tone patterns are mesmerizing
Mathematical Symmetry
The only scale with two transpositions
The Whole Tone scale has a remarkable mathematical property: there are only two distinct Whole Tone scales in existence. Every Whole Tone scale beginning on a note belongs to one of two sets: either the "C group" (C, D, E, F#, G#, A#) or the "C# group" (C#, D#, F, G, A, B). Every transposition of a Whole Tone scale produces either the same notes or the alternate set — unlike most scales, which have twelve distinct transpositions.
This means that C Whole Tone and D Whole Tone contain exactly the same notes (C, D, E, F#, G#, A#) just starting from different points. There is no "key" to a Whole Tone scale in the traditional sense — all six notes are equally valid starting points. This is the musical manifestation of the scale's perfect symmetry: rotating it produces the same structure. For tongue drum players, this means that once you learn to navigate C Whole Tone, you have effectively learned all six transpositions of that scale family simultaneously.