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Integrated media library for your workspace: centralize, organize, and access all your YouTube, Vimeo, SoundCloud, Deezer, Spotify, Apple Music links (and more) with a single click to support and enrich your work.
Browse a comprehensive library of every chord: view a detailed identity card for each chord, hear how it sounds, and explore the scales that contain it through interactive circular diagrams.
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Twelve Assistant is a comprehensive suite of music tools designed to help musicians of all levels improve their practice, understanding, and creativity. From guitar to piano, from harmony to rhythm, we have everything you need.
Learn MoreBrowse a comprehensive library of every chord: view a detailed identity card for each chord, hear how it sounds, and explore the scales that contain it through interactive circular diagrams.
The Twelve Assistant Chord Library is the ultimate tool for guitarists and musicians seeking harmonic enrichment. With an interactive interface and a wealth of information, it allows you to explore every guitar chord in depth. Whether you’re a beginner or an expert, this library provides voicings, chord positions, and chord diagrams for every musical nuance.
The tool is designed for anyone looking to deepen their understanding of music theory and optimize their compositions through a comprehensive understanding of chords and their applications.
The Chord Library is designed to offer a rich user experience with features that allow for advanced harmonic exploration.
The exhaustive catalog lists all types of chords, from the most basic to the most complex. Each chord is detailed with its constituent notes, intervals, and symbols, providing a clear understanding of its structure.
For each chord, an identity card provides essential information such as notes, intervals, and symbols, helping musicians quickly identify chords and understand their composition.
Radial diagrams allow intuitive visualization of chord structure. These interactive visuals are especially useful for those learning to read and apply chords in different scales.
Every chord can be heard to appreciate its characteristic sound, which is crucial for understanding how each chord fits into a composition.
Discover scales containing each chord through our advanced search feature, assisting musicians in enriching their compositions and improvisations.
Using the Chord Library is simple and intuitive.
For example, if you’re working on a piece in C major, you can easily find compatible chords and enhance your progression.
The Chord Library offers numerous benefits for musicians aiming to improve their musical practice.
To complement the use of the Chord Library, explore other Twelve Assistant tools such as the scale library, progression generator, and voice leading. These tools provide a perfect synergy for harmonization, improvisation, and musical composition, enriching your overall musical experience.
The Twelve Assistant Chord Library is an essential tool for any musician looking to enhance their harmonic arsenal. With its interactive features and educational resources, it invites you to explore new musical dimensions. Try it today and let your creativity flourish.
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Integrated media library for your workspace: centralize, organize, and access all your YouTube, Vimeo, SoundCloud, Deezer, Spotify, Apple Music links (and more) with a single click to support and enrich your work.
Search for and identify the scale that matches the notes being played
Instantly search and identify the chord being played based on its position on the fretboard
Instantly determine the key of any chord progression: import the sequence or play it live, the app scans the notes, identifies the key and mode, and offers the most relevant harmonization options at a glance.
Arrange and lay out all your pinned items—diagrams, composition scales and charts—in the Desk Editor so you can save and print your work.
A full-featured metronome with a complete selection of rhythmic figures and advanced settings and functionalities
A straightforward, visual metronome: customize the tempo intuitively by clicking on the beat LEDs to set your perfect pulse.
Explore hundreds of harmonic progressions spanning all 21 modes: audition, transpose, and send them straight to the progression generator with a single click.