Sharps or flats will be added or cancelled to force all interval names to start with D. be a variation of that name, with either sharps or flats used describe the interval difference in half-tones / semitones from any given interval note to the major 3rd. The major 3rd note name is D, and so all intervals around it must start with the note name D, ie. To calculate the correct interval names, just like the previous step, the major 3rd note is used as the starting point for working out interval information around it. This step identifies the note names of the B-flat 3rd intervals on a piano keyboard. The exact note names, including sharps and flats, of each of these intervals will be covered in the next step. The short names are used in the piano diagram below to show the exact interval positions, with the orange number 0 representing the major interval, and the other orange numbers showing the number of half-tones / semitones up or down relative to that major interval. Interval short and medium namesĮach interval name also has short and medium abbreviations, which are just different names for the same interval that you might see. The interval number ( 3rd) is added to the end, resulting in interval names going from the lowest note pitch to the highest: 3rd interval quality Names ShortĮach interval has a spelling that represents its position relative to the major interval.įlat signs (b) are used for intervals lower, and sharp (#) for intervals higher. > One half-tone / semitone down from the minor interval is the diminished interval. > One half-tone / semitone down from the major interval is the minor interval. > One half-tone / semitone up from the major interval is the augmented interval. Having established that the major 3rd interval of the Bb major scale is note D, this step will explore the other 3rd intervals next this note.Ī major interval always has 3 other intervals grouped around it - one higher and two lower: This step identifies the note positions of the B-flat 3rd intervals on a piano keyboard. So we will definitely see extra sharp or flat spelling symbols there. This rest of this page will focus on the relationship between the tonic note - Bb, and the intervals surrounding the 3rd major scale note - D, whose interval quality is major. the uses the 1st, 3rd and 5th notes as they are, ie. Or a 1 3 5 7 chord adds the extra 7th note, ie. Using just the notes we have in the major scale above, a chord spelling of 1 3 5 uses the 1st, 3rd and 5th notes as they are, ie. And since the above table shows the intervals of the major scale, no sharp / flat adjustments are needed. The spelling of the interval qualities in the above table will always be shown without any sharp(#) or flat(b) symbols, since these extra symbols represent the difference of the note from the major scale. You may have seen a chord expressed as 1 b3 5, for example. In music theory, note intervals can also be expressed using using a spelling or formula, which mean the same thing. are more consonant / less disonant, when played together ( harmonic interval) with, or alongside( melodic interval) the tonic note. The difference between the perfect and major intervals is that perfect interval notes sound more perfect / pleasing to the ear than major intervals - ie. This rule is fixed all major scales in all keys, so you will never see a perfect 3rd or a major 4th interval. So the 1st, 4th, 5th and 8th are always perfect, and the rest are always major. The interval quality for each note in this major scale is always perfect or major. The table and piano diagram below show the 8 notes (7 scale major notes + octave note) in the Bb major scale together with the interval quality for each. This step identifies the interval quality and formula / spelling for each note in the major scale, then identifies the third note of the major scale, and decides whether the interval quality is either perfect or major. The augmented 3rd interval below D# is Bb The diminished 3rd interval below Dbb is Bb B-flat 3rd inverted intervals Shortģrd intervals below note B-flat Intervals below Short This table inverts the above intervals, so that each link in the last column leads to note B-flat. Inverted intervals identifying note B-flat These intervals are shown below on the treble clef followed by the bass clef. Middle C (midi note 60) is shown with an orange line under the 2nd note on the piano diagram. 3rd intervals above note B-flat B-flat dim3-min3-maj3-aug3 intervals Short This step shows the B-flat third intervals on the piano, treble clef and bass clef.
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