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B-flat major is a major scale based on B ... As a result, B-flat major is one of the most popular keys for concert band compositions. Scale degree chords
The Aeolian mode is the sixth mode of the major scale, that is, it is formed by starting on the sixth degree of the major scale. For example, if the Aeolian mode is used in its all-white-note pitch based on A, this would be an A-minor triad, which would be the submediant in the relative major key of C major.
The Piano Concerto No. 15 in B ♭ major, KV. 450 is a concertante work for piano and orchestra by Wolfgang Amadeus Mozart. The concerto is scored for solo piano, flute (third movement only), two oboes, two bassoons, two horns, and strings. A brief section of the third movement is heard in a transitional scene of the movie Amadeus.
This main theme is repeated twice more with slight modulations. The brief and slower middle section, in E-flat major, has a syncopated rhythm and is subdued in its grace and mystery, providing a calmer atmosphere. Soon, the main theme returns and after being repeated twice again, the mazurka ends boldly with a B-flat major chord in octaves.
The Lydian scale can be described as a major scale with the fourth scale degree raised a semitone, making it an augmented fourth above the tonic; e.g., an F-major scale with a B ♮ rather than B ♭. That is, the Lydian mode has the following formula:
The first movement in B ♭-major, marked Allegro, opens with a series of fortissimo B ♭-major chords, which form much of the basis of the first subject. After the first subject is spun out for a while, the opening set of fortissimo chords are stated again, this time followed by a similar rhythm on the unexpected chord of D major. [24]
The chord progression for Locrian starting on B is B dim 5, C Maj, D min, E min, F Maj, G Maj, A min. Its tonic chord is a diminished triad (B dim = B dim 5 min 3 = B D F, in the Locrian mode using the white-key diatonic scale with starting note B, corresponding to a C major scale starting on its 7th tone). This mode's diminished fifth and the ...
B Flat notes. B ♭ (B-flat), or, in some European countries, B, is the eleventh step of the Western chromatic scale (starting from C).It lies a diatonic semitone above A and a chromatic semitone below B, [1] thus being enharmonic to A ♯, even though in some musical tunings, B ♭ will have a different sounding pitch than A ♯.