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Gb add11 Piano Chord

    Piano Diagram of Gb add11 in Root Position

    Gb add11 Chord - Root Position - Piano Diagram

    The Gb add11 chord is a Gb Major (Gb, Bb, Db) with an extra 11th note (Cb). It’s an added tone chord, meaning that it’s built by adding an extra interval to a triad. Keep reading to gain a deeper understanding of the music theory behind this chord.

     


    Structure of Gb add11

    Notes

    Gb, Bb, Db, Cb

    Intervals

    R, 3, 5, 11

    Playing Extended Chords on Piano

    Extended chords are challenging to play in their entirety on the piano due to the high number of notes involved, or the wide intervals between them like in the case of add 11th chords.

    To simplify these chords, pianists may omit certain notes, typically the root or fifth, or divide the chord between both hands.

     

    Gb add11  Chord Inversions

    Gb add11 chord has a total of 3 inversions:

    Root Position: Gb Bb Db Cb
    1st Inversion: Bb Db Gb Cb
    2nd Inversion: Db Gb Bb Cb
    3rd Inversion: Cb Db Gb Bb

     Piano Keyboard Diagrams

    Chord Inversions on Piano

    Chord inversions are a crucial concept in music theory as they allow for a greater understanding of how chords are constructed and how they can be used in progressions.

    However, it’s important to note that the diagrams depicting the sequence of notes in a chord inversion on a piano keyboard may not always translate to practical playing. This is because proper chord voicings involve distributing the notes of the chord across different octaves and positions on the keyboard, which may differ from the basic shape of the chord’s inversions.

    Therefore, while chord inversion diagrams help understand the structure and sequence of notes in a chord, they may not always be the most efficient way to play the chord on a piano keyboard.


    Music Theory and Harmony of Gb add11

     

    Building the Gb add11 Chord: Different Approaches

    Starting from the Gb Major Scale:

    To build an add11 chord, you can use the Major scale as a reference by combining a Root, a 3rd, a 5th, and an 11th.

     

    Gb Major Diatonic Scale up to 13th

    Gb Major Scale

     

    Gb Major Diatonic Scale up to 13th - Keyless Notation

    Gb Major Scale – Keyless notation

     

    Apply the formula R, 3, 5, 11 to get a Gb add11 chord.

    1. Begin with the Root note, Gb.
    2. Select the 3rd note, Bb.
    3. Add the 5th note, Db.
    4. Finally, include the 11th note, Cb, which is a 4th note but an octave higher.

     


    by Combining Intervals:

    To build an add11 chord, one approach is to combine specific intervals, namely a major 3rd, a minor 3rd, and a minor 7th.

    3 + m3 + m7 = add11 Chords

    For example, to make the Gb add11 chord, you can stack

    • Gb-Bb (major 3rd),
    • Bb-Db (minor 3rd),
    • and Db-Cb (minor 7th) on top of each other.

     


    How to Use Gb add11 in a Chord Progression

     

    Music theory classifies chords based on their harmonic function, which can be categorized as either tonic, subdominant, or dominant chords. The Gb add11 chord, which can replace a regular Gb major chord, can have any of these functions, depending on its context in a composition

    However, the 11th note Cb (equivalent to a natural B) present in Gb add11 may not always fit with the scale being used. This means that the chord can introduce a non-diatonic tone that does not belong to either the Db major or Bb minor scales.

    For this reason, the use of the Gb add11 chord in these keys should be approached with caution to avoid dissonance or unintended clashes with the melody or the bass line. The use of non-diatonic chords should be intentional and targeted to specific musical effects.

    The Gb add11 chord can serve as a tonic chord that resolves the tension created by a preceding dominant chord, such as Db7. Alternatively, in a chord progression in the key of B major, it can also act as a dominant chord. In both cases, it’s common to use the add11 chord in chromatic or diatonic modulation. I will provide some examples of its use in chord progressions.

    on Major Scales

    Major Scales I ii iii IV V vi vii
    Gb Gb Maj7 ⇒ Gb add11 Ab min7 Bb min7 Cb Maj7 Db7 Eb min7 Fm7b5
    Db Db Maj7 Eb min7 F min7 Gb Maj7 ⇒ Gb add11 Ab7 Bb min7 Cm7b5
    Cb = B B Maj7 C# min7 D# min7 E Maj7 F#7 ⇒ F# add11 = Gb add11 G# min7 A#m7b5
    • Tonic chord in Gb Major
    • Non-diatonic  Subdominant chord in Db Major
    • Dominant chord in B Major (less common) as F# add11

    on Natural minor Scales

    Minor Scales i ii III iv v VI VII
    Eb Eb min7 Fm7b5 Gb Maj7 ⇒ Gb add11 Ab min7 Bb min7 Cb Maj7 Db7
    Bb Bb min7 Cm7b5 Db Maj7 Eb min7 F min7 Gb Maj7 ⇒ Gb add11 Ab7
    Ab Ab min7 Bbm7b5 Cb Maj7 Db min7 Eb min7 Fb Maj7 Gb7 ⇒ Gb add11
    • Mediant chord in Eb minor
    • Non-diatonic  Submediant chord in Bb minor
    • Dominant chord in Ab minor (less common)

     


    The Versatility of the 11th Interval in Music Composition

    The 11th interval is generally considered a dissonant interval. However, the perception of consonance or dissonance can vary depending on the musical context and the listener’s personal preference.

    In some cases, an 11th interval may be intentionally used to create tension and a sense of unresolved harmony. In other cases, it may be used as a stable chord or part of a modulation on a consonant degree.

     


    Gb add11 Function in Major and Minor Keys

    Understanding Scale Degrees

    Harmonizing a scale involves creating chords using the notes from that scale. Each note in the scale is given a degree, which reflects its position in the scale.

    The degrees of the diatonic major scale are as follows:

    1. Tonic: This is the first degree of the scale and serves as the primary tonal center or “home base” of the music. It creates a sense of resolution and stability.
    2. Supertonic: This is the second degree of the scale and often functions as a passing tone or a transitional note between the tonic and other scale degrees.
    3. Mediant: This is the third degree of the scale and helps to establish the overall tonality of the scale (major or minor). It sits halfway between the tonic and dominant notes.
    4. Subdominant: This is the fourth degree of the scale and is often used as a complementary harmony to the dominant.
    5. Dominant: This is the fifth degree of the scale and creates tension and a sense of expectation. It is usually resolved by returning to the tonic.
    6. Submediant: This is the sixth degree of the scale and sits halfway between the tonic and subdominant notes. It is often used as a transitional note between the dominant and the tonic.
    7. Leading tone: This is the seventh degree of the scale and sits one half step below the tonic. It creates a strong sense of tension and a desire to resolve to the tonic.

     


    Gb add11 in Gb Major

    The Gb add11 chord can be used instead of a Gb major or a Gb major 7th chord. In a major key, the I chord (built on the first degree) serves as the tonic chord, providing the harmonic center of the chord progression.

    I ii iii IV V vi vii
    Gb Maj7 ⇒ Gb add11 Ab min7 Bb min7 Cb Maj7 Db7 Eb min7 Fm7b5

     

    Gb add11 Chord Progressions as I degree

    Replacing a major chord with an add11 chord can add more color and interest to your music. The Gb add11 chord can be used as a variation of the tonic chord, or as an intermediate step to move to a more stable Gb major chord by lowering the 11th note by a half step.

    ii V I
    ii V I
    Ab min7 Db7 Gb Maj7 Gb Add11 Gb Maj

     

    I IV V
    I IV V
    Gb add11 | Gb Maj7 Cb Maj7 Db7

     

     I V vi IV
    I V vi IV
    Gb add11 | Gb Maj7 Db7 Eb min7 Cb Maj7

     

    I IV vi V
    I IV vi V
    Gb add11 | Gb Maj7 Cb Maj7 Eb min7 Db7

     


    Gb add11 in Db Major (Non-Diatonic)

    Another way to use the Gb add11 chord is as a substitution for the Gb Maj7 chord when it appears on the fourth degree of the Db major scale. This can be used in the I-IV-V chord progression, where the add11 chord on the fourth degree acts as a transitional chord between the first and fifth degrees.

    Note that the 11th interval Cb may clash with the C note found in the Db major scale, as they are a half step apart.

    I ii iii IV V vi vii
    Db Maj7 Eb min7 F min7 Gb Maj7 ⇒ Gb add11 Ab7 Bb min7 Cm7b5

     

    Gb add11 as IV degree – Chord Progressions

    Play these chord progressions to hear how an add11 chord can be used as a substitute for the subdominant (IV degree) in a chord progression.

    I IV V
    I IV V
    Db Maj7 Gb add11 | Gb Maj7 Ab7

     

    I V vi IV
    I V vi IV
    Db Maj7 Ab7 Bb min7 Gb add11 | Gb Maj7

     

    I IV vi V
    I IV vi V
    Db Maj7 Gb add11 | Gb Maj7 Bb min7 Ab7

     


    Gb add11 in Cb Major

    Check F# add11 in B Major

     


    Gb add11 in Eb minor

    In the Eb minor key, the add11 chord can also be used as a substitute for the Gb Maj7 chord as the third degree.

    i ii III iv v VI VII
    Eb min7 Fm7b5 Gb Maj7 ⇒ Gb add11 Ab min7 Bb min7 Cb Maj7 Db7

     

    Gb add11 as III degree – Chord Progressions

    These chord progressions show Gb add11 as a variation of the mediant (III degree) chord.

    i III
    i III
    Eb min7 Gb add11 | Gb Maj7

     

    i III VII VI
    i III VII VI
    Eb min7 Gb add11 | Gb Maj7 Db7 Cb Maj7

     

    Circle Progression
    i iv VII III VI vii V7 i
    Eb min7 Ab min7 Db7 Gb add11 | Gb Maj7 Cb Maj7 Fm7b5 Bb7 Eb min7

     


    Gb add11 in Bb minor (Non-Diatonic)

    Another situation where the Gb add11 chord can be used as a variation is in the key of Bb minor. As previously mentioned in the context of the Db major key, the 11th note (Cb) is not diatonic to the Bb minor scale.

    Therefore, using the Gb add11 chord as a submediant chord in Bb minor would introduce a non-diatonic element to the chord progression. However, this can also create a unique and interesting sound that can be utilized in a musical composition.

    i ii III iv v VI VII
    Bb min7 Cm7b5 Db Maj7 Eb min7 F min7 Gb Maj7 ⇒ Gb add11 Ab7

     

    Gb add11 as VI degree – Chord Progressions

    You may want to experiment with these chord progressions to understand how Gb add11 can be used instead or in conjunction with a Gb Maj7 chord when it acts as the submediant (VI degree) in Bb minor.

    i VI VII
    i VI VII
    Bb min7 Gb add11 | Gb Maj7 Ab7

     

    i v VI VII
    i v VI VII
    Bb min7 F min7 Gb add11 | Gb Maj7 Ab7

     

    i III VII VI
    i III VII VI
    Bb min7 Db Maj7 Ab7 Gb add11 | Gb Maj7

     

    Circle Progression
    i iv VII III VI ii V7 i
    Bb min7 Eb min7 Ab7 Db Maj7 Gb add11 | Gb Maj7 Cm7b5 F7 Bb min7

     


    Gb add11 in Ab minor

    Another way to use the Gb add11 chord is as a substitution for the leading tone chord in the key of Ab minor. In this context, the Gb add11 chord functions as a variation of the Gb7 chord, serving as the VII degree.

    i ii III iv v VI VII
    Ab min7 Bbm7b5 Cb Maj7 Db min7 Eb min7 Fb Maj7 Gb7 ⇒ Gb add11

     

    Gb add11 as VII degree – Chord Progressions

    You can try playing these chord progressions to hear how a Gb add11 works as a substitute for the leading tone in a chord progression:

    i VI VII
    i V VII
    Ab min7 Fb Maj7 Gb add11 | Gb7

     

    i v VI VII
    i v VI VII
    Ab min7 Eb min7 Fb Maj7 Gb add11 | Gb7

     

    i III VII VI
    i III VII VI
    Ab min7 Cb Maj7 Gb add11 | Gb7 Fb Maj7

     

    Circle Progression
    i iv VII III VI ii V7 i
    Ab min7 Db min7 Gb add11 | Gb7 Cb Maj7 Fb Maj7 Bbm7b5 Eb7 Ab min7

     


    Chord Similarities

    add11 and sus4 Chords

    Add11 and sus4 chords share many similarities, as they both contain similar sets of notes, with the only difference being the presence or absence of the 3rd note and the location of the 4th note. The add11 chord includes

    • the root,
    • 3rd,
    • 5th,
    • and an 11th note played at a higher octave,

    while the sus4 chord includes

    • the root,
    • 4th,
    • and 5th notes.

    For example, a Gb add11 chord consists of the notes Gb, Bb, Db, and Cb, while a Gb sus4 chord consists of the notes Gb, Cb, and Db.

    The inclusion of the major 3rd note in the add11 chord provides stability to the chord, creating a less tense sound. In contrast, the sus4 chord creates a more suspended, unresolved sound due to the absence of the 3rd note. However, despite these differences, the two chords still share a similar sound.

    add11 and add4 Chords

    Although add11 chords and add4 chords share the same notes, it’s essential to note that even if they are the same note, a 4th is not the same as an 11th because there is an octave of difference between them. While this distinction may not be significant when playing an inversion of the chord, it’s still crucial to be aware of.

     


    The Debate Around add2 and add4 Chords

    In addition, there is some debate about the usefulness of add2 and add4 chords as distinct entities. Add2 chords are made by the Root, the 2nd, the 3rd, and the 5th, while add4 chords are made by the Root, the 3rd, the 4th, and the 5th. Because these chords create a cluster of notes, their root position can sound pretty dissonant.

    Playing the 2nd or 4th note at a higher octave can help to reduce the dissonant cluster of notes created by add2 and add4 chords. For this reason, a better way to formulate these chords is by using add9 and add11 chords, which provide a more harmonically pleasing sound while still incorporating the desired note.

    Furthermore, if we really need to add a 2nd or a 4th note, then we should take care to omit the 3rd, which is exactly what suspended chords (sus2 and sus4) are designed to do.


     

    Alternative Names for Gb add11

    It’s important to note that Gb11 and Gb add11 are not the same chord. When building 11th chords, there are a minor 7th and a 9th in addition to the 11th interval.

    • Gb add11
    • Solb add11
    • Gb add(11)
    • Gb (add11)
    • Gb add11th

     


    Conclusion

    The chord progressions and examples presented in this post provide a comprehensive overview of the most common uses of the Gb add11 chord. It’s important to note, however, that many advanced harmony-related topics could not be included due to space constraints. These topics include chord progressions built on harmonic and melodic scales, modal scales, hidden tonality, secondary dominants and other chord substitutions, non-functional harmony and atonal music, modal interchange and borrowed chords, voice leading and counterpoint, chromatisms, jazz harmony…I mean, music theory is a huge topic!

    Although I couldn’t cover all of these topics in my post, I encourage readers to continue exploring these areas in their own study and research. By expanding your knowledge in these advanced areas of music theory, you can gain a deeper understanding of the harmonic possibilities that exist beyond the basics presented here.

     

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