B♭ Whole tone

B♭ Whole tone: B♭ C D E F# A♭. Formula 1 2 3 ♯4 ♯5 ♭7. Same notes as C Whole tone, D Whole tone, E Whole tone. Six notes all a whole step apart: no note stands out as home, so it sounds dreamlike and unresolved, as in Debussy. Only two different whole-tone scales exist.