Learn music theory with Sonid
  • For teachers & schools

    Sonid logo

    Learn music theory with Sonid

    Learn music theory with practical tools, guided app exercises, and a complete reference for chords, scales, notes, intervals, and modes.

    Product

    Use cases

    • For beginners
    • For guitarists
    • For pianists
    • Ear training
    • Theory practice

    Solutions

    • For teachers & schools

    Learn

    Theory

    • Intervals
    • Interval playlists
    • Chords
    • Scales
    • Terms
    • Notes reference

    Tools

    • Music Theory Playground
    • Metronome
    • Why and how to play with a metronome
    • Tuner

    Community

    • Blog
    • Basics
    • Ear training
    • About us

    Get the app

    App StoreGoogle Play

    About & legal

    Created byMartijn van der Eijk
    Written byLida van der Eijk
    Vectors byFreepik
    LegalEULA

    Socials

    YoutubeMusic Theory Video SeriesA step-by-step guide to music theory fundamentals. These 60-second videos provide a clear, structured path to understanding how music works, optimized for a full-screen learning experience.YoutubeMusic Theory ShortsMaster music theory concepts in 60 seconds or less. Quick, vertical videos designed to give you essential theory knowledge in a fast-paced, mobile-friendly format.
    YoutubeFacebook
    @copyright Martijn van der Eijk 2026•EULA
    1. Home
    2. Chord Library
    3. A sharp
    4. Dominant thirteenth sharp ninth sharp eleventh

    A sharp Dominant thirteenth sharp ninth sharp eleventh

    Dominant 13 with ♯9 and ♯11; high-intensity bright altered dominant color.

    major13♯9♯11

    Guitar diagrams

    Piano voicings

    Sheet music

    Which intervals and notes are in the A sharp Dominant thirteenth sharp ninth sharp eleventh chord?

    Intervals from the root that spell this chord and its chord tones.

    Which scales can you play on the A sharp Dominant thirteenth sharp ninth sharp eleventh chord?

    Scales that contain this chord’s notes and usually fit over it.

    Practice the dominant thirteenth sharp ninth sharp eleventh chord

    Open the app and start your daily workout!

    Learn music theory with sonid

    Available on Android and iOS

    Practice the dominant thirteenth sharp ninth sharp eleventh chord

    Open the app and start your daily workout!

    Learn music theory with sonid

    Available on Android and iOS

    The 13♯9♯11 dominant is a high-density color chord that combines upper brightness with altered tension pressure. It keeps dominant direction, but with a distinctly modern, intense profile. When voiced well, it sounds expansive and electric rather than chaotic.

    Construction

    A practical formula is 1-3-5-♭7-♯9-♯11-13. In C this may include C-E-G-B♭-D♯-F♯-A. In real use, 3 and ♭7 remain the functional anchors, while ♯9/♯11/13 are curated for color impact.

    Usage

    Use this chord in modern jazz, fusion, progressive gospel, and cinematic climax writing where a standard dominant is not dramatic enough. It is best used as a high-impact moment before a clear arrival, not as constant harmonic background.

    Examples

    • Climactic V chord before tonic impact
    • Fusion turnarounds with stacked altered brilliance
    • Cinematic tension peaks before release

    Play

    Space the altered tensions carefully to avoid midrange overload. Keep guide tones stable and treat color tones as a controlled upper structure. Resolve at least one altered tone stepwise to make the chord feel directional.

    Common voicings / omissions

    Shell + upper-structure voicings are usually cleaner than full stacks. In ensemble settings, omit root/5 when bass is active and prioritize 3, ♭7, ♯11, and either ♯9 or 13 depending on context.

    NameAliasesDifficulty
    A sharp Chromatic-Easy
    A sharp Half whole diminisheddominant diminished, messiaen's mode #2Expert
    A sharp Composite blues-Guru
    IntervalsemitonesNote
    Perfect unison0A♯
    Major third4C𝄪
    Perfect fifth7E♯
    Minor seventh10G♯
    Augmented ninth15B𝄪
    Augmented undecime18D𝄪
    Major thirteenth21F𝄪
    NameAliasesDifficulty
    A sharp MajorM, ^, , majBeginner
    A sharp Minorm, min, -Beginner
    A sharp Minor seventhm7, min7, mi7, -7Beginner
    A sharp Fifth5Beginner
    A sharp Dominant seventh7, domBeginner
    dim, °, oEasy
    6, add6, add13, M6Easy
    m6, -6Easy
    m7b5, ø, -7b5, h7, hEasy
    dim7, °7, o7Easy
    7no5Intermediate
    M6#11, M6b5, 6#11, 6b5Intermediate
    7#11, 7#4Intermediate
    7#9Expert
    7add6, 67, 7add13Expert
    7#9#11, 7b5#9, 7#9b5Expert
    13#9Expert
    7b5Expert
    Mb5Guru
    A sharp Diminished
    A sharp Major sixth
    A sharp Minor sixth
    A sharp Minor seventh flat fifth
    A sharp Diminished seventh
    A sharp Dominant seventh no fifth
    A sharp Major sixth sharp eleventh
    A sharp Dominant seventh sharp eleventh
    A sharp Dominant seventh sharp ninth
    A sharp Dominant seventh add sixth
    A sharp Dominant seventh sharp ninth sharp eleventh
    A sharp Dominant thirteenth sharp ninth
    A sharp Dominant seventh flat fifth
    A sharp Major flat fifth