D-sharp minor 6th chord

The Solution below shows the D-sharp minor 6th chord in root position, 1st, 2nd, and 3rd inversions, on the piano, treble clef and bass clef.

The Lesson steps then explain how to construct this 6th chord using the 3rd, 5th and 6th note intervals, then finally how to construct the inverted chord variations.

For a quick summary of this topic, have a look at Sixth chord.

Minor 6th chord (4 notes)
KeyCC#DbD[D#]EbEE#FbFF#GbGG#AbAA#BbBB#Cb

Solution - 4 parts

1. D-sharp minor 6th chord

This step shows the D-sharp minor 6th chord in root position on the piano, treble clef and bass clef.

The D-sharp minor 6th chord contains 4 notes: D#, F#, A#, B#.

The chord spelling / formula relative to the D# major scale is:  1 b3 5 6.

D-sharp minor 6th chord note names
Note no.Note intervalSpelling
/ formula
Note name#Semitones
from root
1root1The 1st note of the D-sharp minor 6th chord is D#0
2D#-min-3rdb3The 2nd note of the D-sharp minor 6th chord is F#3
3D#-perf-5th5The 3rd note of the D-sharp minor 6th chord is A#7
4D#-maj-6th6The 4th note of the D-sharp minor 6th chord is B#9

D-sharp minor 6th chord

Middle C (midi note 60) is shown with an orange line under the 2nd note on the piano diagram.

These note names are shown below on the treble clef followed by the bass clef.

D-sharp minor 6th chord

D-sharp minor 6th chord

The figured bass symbols for this chord in root position are 6/5/3.

The staff diagrams and audio files contain each note individually, ascending from the root, followed by the chord containing all 3 notes.

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2. D-sharp minor 6th 1st inversion

This step shows the D-sharp minor 6th 1st inversion on the piano, treble clef and bass clef.

The D-sharp minor 6th 1st inversion contains 4 notes: F#, A#, B#, D#.

D-sharp minor 6th 1st inversion

These note names are shown below on the treble clef followed by the bass clef.

D-sharp minor 6th 1st inversion

D-sharp minor 6th 1st inversion

The figured bass symbols for this chord in root position are 6/4/3, so the chord is said to be in six-four-three position.

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3. D-sharp minor 6th 2nd inversion

This step shows the D-sharp minor 6th 2nd inversion on the piano, treble clef and bass clef.

The D-sharp minor 6th 2nd inversion contains 4 notes: A#, B#, D#, F#.

D-sharp minor 6th 2nd inversion

These note names are shown below on the treble clef followed by the bass clef.

D-sharp minor 6th 2nd inversion

D-sharp minor 6th 2nd inversion

The figured bass symbols for this chord in root position are 6/4/2, so the chord is said to be in six-four-two position.

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4. D-sharp minor 6th 3rd inversion

This step shows the D-sharp minor 6th 3rd inversion on the piano, treble clef and bass clef.

The D-sharp minor 6th 3rd inversion contains 4 notes: B#, D#, F#, A#.

D-sharp minor 6th 3rd inversion

These note names are shown below on the treble clef followed by the bass clef.

D-sharp minor 6th 3rd inversion

D-sharp minor 6th 3rd inversion

The figured bass symbols for this chord in root position are 7/5/3, so the chord is said to be in seven-five-three position.

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Lesson steps

1. Piano key note names

This step shows the white and black note names on a piano keyboard so that the note names are familiar for later steps, and to show that the note names start repeating themselves after 12 notes.

The white keys are named using the alphabetic letters A, B, C, D, E, F, and G, which is a pattern that repeats up the piano keyboard.

Every white or black key could have a flat(b) or sharp(#) accidental name, depending on how that note is used. In a later step, if sharp or flat notes are used, the exact accidental names will be chosen.

Sharp and flat note names

The audio files below play every note shown on the piano above, so middle C (marked with an orange line at the bottom) is the 2nd note heard.

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2. D-sharp tonic note and one octave of notes

This step shows 1 octave of notes starting from note D#, to identify the start and end notes of the scale used to build this chord.

The numbered notes are those that might be used when building this chord.

Note 1 is the root note - the starting note of the chord - D#, and note 13 is the same note name but one octave higher.

D-sharp chromatic scale-1 octave of notes

D-sharp chromatic scale-1 octave of notes
No.12345678910111213
NoteD#EFF# / GbGG# / AbAA# / BbBCC# / DbDD#
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3. D-sharp major scale note interval positions

This step describes the D# major scale , whose note intervals are used to define the chord in a later step.

The major scale uses the  W-W-H-W-W-W-H  note counting rule to identify the scale note positions.

To count up a Whole tone, count up by two physical piano keys, either white or black.

To count up a Half-tone (semitone), count up from the last note up by one physical piano key, either white or black.

The tonic note (shown as *) is the starting point and is always the 1st note in the major scale.

D-sharp major scale note positions

Again, the final 8th note is the octave note, having the same name as the tonic note.
D-sharp major scale note positions
No.12345678
NoteD#FGG# / AbA# / BbCDD#
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4. D-sharp major scale note interval numbers

This step identifies the note interval numbers of each scale note, which are used to calculate the chord note names in a later step.

To identify the note interval numbers for this major scale, just assign each note position from the previous step, with numbers ascending from 1 to 8.

D-sharp major scale note interval numbers
No.12345678
NoteD#E#F##G#A#B#C##D#

To understand why the note names of this major scale have these specific sharp and flat names, have a look at the D# major scale page.

D-sharp major scale note interval numbers

Both the note interval numbers and note names from the piano diagram above will be used in later steps to calculate the chord note names.

5. 6th chord qualities

This step defines a sixth chord, names the most common 6th chord qualities and identifies the notes that vary between them.

6th chord definition

Whereas a triad chord contains 3 notes, a 6th chord contains 4 notes that are played together or overlapping.

6th chord qualities

Although others exist, the most common 6th chord qualities, are major, and minor.

Each chord quality name is the name of the entire chord as a whole, not its individual notes (which will be covered later).

Triad chords used for construction

Both major and minor chord qualities are built on the triad chord in the same key plus one added note - the 6th note of the major scale in the previous step.

So the D-sharp major 6th chord is based on the D# major chord, and the D-sharp minor 6th chord is based on the D# minor chord. The added 6th note in both cases is B#.

The steps below will detail the construction of the minor 6th chord quality in the key of D# using note intervals.

6. 6th chord note intervals

This step defines the note intervals for each chord quality, including the intervals for the D-sharp minor 6th chord. It also shows how the 6th chord qualities are related to the triad chord qualities they are based on.

Each individual note in a 6th chord can be represented in music theory using a note interval, which is used to express the relationship between the first note of the chord (the root note), and the note in question.

The root note is always the 1st note (note interval 1 in the above diagram) of the major scale diagram above. ie. the tonic of the major scale.

Then there is one note interval to describe the 2nd note, and another to describe the 3rd note of the chord, and finally another interval for the 4th chord note.

In the same way that the entire chord itself has a chord quality, the intervals representing the individual notes within that chord each have their own quality.

These note interval qualities could be diminished, minor, major, perfect and augmented.

Below is a table showing the note interval qualities for the most common 6th chords, together with the interval short names / abbrevations in brackets.

The final column shows the triad chord quality that the 6th chord is based on, so the 2nd and 3rd note quality columns are the same as the triad table for the same key.

sixth chord note interval qualities
6th chord quality2nd note quality3rd note quality4th note qualityBased on triad quality
minorminor (m3)perfect (P5)major (M6)minor
majormajor (M3)perfect (P5)major (M6)major

The numbers in brackets are the note interval number (ie the scale note number) shown in the previous step.

Looking at the table above, the note intervals for the chord quality we are interested in (minor 6th), in the key of D# are D#-min-3rd, D#-perf-5th, and D#-maj-6th.

The links above explain in detail the meaning of these qualities, the short abbrevations in brackets, and how to calculate the interval note names based on the scale note names from the previous step.

7. D-sharp minor 6th chord in root position

This step shows the D-sharp minor 6th chord note interval names and note positions on a piano diagram.

Note name adjustments

Each note interval quality (diminished, minor, major, perfect, augmented) expresses a possible adjustment ie. a possible increase or decrease in the note pitch from the major scale notes in step 4.

If an adjustment in the pitch occurs, the note name given in the major scale in step 4 is modified, so that sharp or flat accidentals will be added or removed.

But crucially, for all interval qualities, the starting point from which accidentals need to be added or removed are the major scale note names in step 4.

For this chord, this is explained in detail in D#-min-3rd, D#-perf-5th and D#-maj-6th, but the relevant adjustments for this minor 6th chord quality are shown below:

D#-3rd: The 3rd note quality of the major scale is major, and the note interval quality needed is minor, so the 3rd note scale note name - F##, is adjusted 1 half-note / semitone down to F#. The chord note spelling reflects this note flattening: b3.

D#-5th: Since the 5th note quality of the major scale is perfect, and the note interval quality needed is perfect also, no adjustment needs to be made. The 5th note name - A# is used, and the chord note spelling is 5.

D#-6th: Since the 6th note quality of the major scale is major, and the note interval quality needed is major also, no adjustment needs to be made. The 6th note name - B# is used, and the chord note spelling is 6.

If it is still not clear why the interval qualities are organised / related as they are, please refer to each of the interval links above.

D-sharp minor 6th chord note names

The final chord note names and note interval links are shown in the table below.

D-sharp minor 6th chord in root position
Note1356
Interval No.D#F#A#B#
Interval defrootD#-min-3rdD#-perf-5thD#-maj-6th
Spelling1b356
#Semitones0379

The piano diagram below shows the interval short names, the note positions and the final note names of this triad chord.

D-sharp minor 6th chord intervals

In music theory, this 6th chord as it stands is said to be in root position because the root of the chord - note D#, is the note with the lowest pitch of all the chord notes.

The note order of this chord can also be changed, so that the root is no longer the lowest note, in which case the chord is no longer in root position, and will be called an inverted 6th chord instead.

For 6th chords, there are 3 possible inverted variations as described below.

Figured bass notation

The figured bass notation for a 6th chord in root position is 6/5/3, with the 6 placed above the 5, and the 5, above the 3.

These numbers represent the interval between the lowest note of the chord and the note in question.

So another name for this inversion would be D-sharp minor 6th triad in six-five-three position.

For example, the 6 represents note B#, from the D#-6th interval, since the chord root, D#, is the lowest note of the chord (as it is not inverted). .

In the same way, the figured bass 5 symbol represents note A#, from the D#-5th interval, and the 3 symbol represents note F#, from the D#-3rd interval

Since figured bass notation works within the context of a key, we don't need to indicate in the figured bass symbols whether eg. the 3rd is a major, minor etc. The key is assumed from the key signature.

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8. D-sharp minor 6th 1st inversion

This step shows the first inversion of the D-sharp minor 6th.

To invert a chord, simply take the first note of the chord to be inverted (the lowest in pitch) and move it up an octave to the end of the chord.

So for a 1st inversion, take the root of the 6th chord in root position from the step above - note D#, and move it up one octave (12 notes) so it is the last (highest) note in the chord.

The second note of the original 6th chord (in root position) - note F# is now the note with the lowest pitch.

D-sharp minor 6th 1st inversion

Figured bass notation

The figured bass notation for this chord in 1st inversion is 6/4/3, with the 6 placed above the 4, and the 4 placed above the 3 on a staff diagram.

Based on this numbering scheme, another name for this inversion would be D-sharp minor 6th triad in six-four-three position.

These numbers represent the interval between the lowest note of the chord (not necessarily the original chord root!), and the note in question.

For example, the 6 represents note D#, from the F#-6th interval, since the lowest (bass) note of the chord - now inverted, is F#.

In the same way, the figured bass 4 symbol represents note B#, from the F#-4th interval, and the 3 symbol represents note A#, from the F#-3rd interval

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9. D-sharp minor 6th 2nd inversion

This step shows the second inversion of the D-sharp minor 6th.

For a 2nd inversion, take the first note of the 1st inversion above - F#, and move it to the end of the chord.

So the second note of the 1st inversion - note A# is now the note with the lowest pitch for the 2nd inversion.

Or put another way, the third note of the original 6th chord (in root position) is now the note with the lowest pitch.

D-sharp minor 6th 2nd inversion

Figured bass notation

The figured bass notation for this chord in 2nd inversion is 6/4/2, with the 6 placed above the 4, and the 4 placed above the 2 on a staff diagram.

Based on this numbering scheme, another name for this inversion would be D-sharp minor 6th triad in six-four-two position.

These numbers represent the interval between the lowest note of the chord (not necessarily the original chord root!), and the note in question.

For example, the 6 represents note F#, from the A#-6th interval, since the lowest (bass) note of the chord - now inverted, is A#.

In the same way, the figured bass 4 symbol represents note D#, from the A#-4th interval, and the 2 symbol represents note B#, from the A#-2nd interval

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10. D-sharp minor 6th 3rd inversion

This step shows the third inversion of the D-sharp minor 6th.

For a 3rd inversion, take the first note of the 2nd inversion above - A#, and move it to the end of the chord.

So the second note of the 2nd inversion - note B# is now the note with the lowest pitch for the 3rd inversion.

Or put another way, the fourth note of the original 6th chord (in root position) is now the note with the lowest pitch.

D-sharp minor 6th 3rd inversion

Figured bass notation

The figured bass notation for this chord in 3rd inversion is 7/5/3, with the 7 placed above the 5, and the 5 placed above the 3 on a staff diagram.

Based on this numbering scheme, another name for this inversion would be D-sharp minor 6th triad in seven-five-three position.

These numbers represent the interval between the lowest note of the chord (not necessarily the original chord root!), and the note in question.

For example, the 7 represents note A#, from the B#-7th interval, since the lowest (bass) note of the chord - now inverted, is B#.

In the same way, the figured bass 5 symbol represents note F#, from the B#-5th interval, and the 3 symbol represents note D#, from the B#-3rd interval

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