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<head>
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<title>Guitar Chord Namer</title>
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</button>
<div class="collapse navbar-collapse" id="navmenu">
<ul class="navbar-nav ms-auto mb-2 mb-lg-0 fs-5">
<li class="nav-item">
<a href="#notes" class="nav-link">Notes</a>
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<main>
<div class="container mt-5 mx-auto row justify-content-center">
<h1 class="mt-5 text-center mt-2 pb-2 border-bottom border-secondary">WHAT CHORD IS THIS?</h1>
<h2 class="text-center text-secondary">Guitar chord namer app</h2>
<h3 class="mb-1 mt-3 text-center"> <span aria-label=" G clef">𝄞</span> Choose the tuning & a
sharp/flat key</h3>
<form id="tunings-form" class="col-12 col-md-10 row g-3 justify-content-center">
<div class="col-md-5">
<select name="tuning" id="alt-tunings" class="form-select border border-info"
aria-label="Default select example">
<option value="0">Standard (E-A-D-G-B-E)</option>
<option value="1">Drop D (D-A-D-G-B-E)</option>
<option value="2">Dbl Drop D (D-A-D-G-B-D)</option>
<option value="3">Drop C (C-G-D-F-A-D)</option>
<option value="4">Open A (E-A-C♯-E-A-E)</option>
<option value="5">Open C (C-G-C-G-C-E)</option>
<option value="6">Open D (D-A-D-F♯-A-D)</option>
<option value="7">DADGAD (D-A-D-G-A-D)</option>
<option value="8">Open D Minor (D-A-D-F-A-D)</option>
<option value="9">Open E (E-B-E-G♯-B-E)</option>
<option value="10">Open F (F-A-C-F-C-F)</option>
<option value="11">Open G (D-G-D-G-B-D)</option>
<option value="12">Open G Minor (D-G-D-G-B♭-D)</option>
</select>
</div>
<div class="col-md-5">
<div class="form-check form-check-inline ms-3 border-bottom border-dark">
<input class="form-check-input" type="radio" name="sharps-flats" id="sharp-key" value="sharp">
<label class="form-check-label fs-6" for="sharps">Sharp</label>
</div>
<div class="form-check form-check-inline me-3 border-bottom border-dark">
<input class="form-check-input" type="radio" name="sharps-flats" id="flat-key" value="flat">
<label class="form-check-label fs-6" for="flats">Flat</label>
</div>
<button id="user-tuning" class="user-tuning btn btn-primary mt-3" type="submit">
Set Tuning & Key
</button>
</div>
</form>
</div>
<div class="container mt-3 mx-auto row justify-content-center">
<h3 id="notes-heading" class="mb-1 mt-3 text-center"> <span aria-label=" G clef">𝄞</span> Enter your fret
numbers
</h3>
<form id="notes-form" class="col-sm-6 row g-3">
<div class="col-sm-2 custom">
<label for="str1" class="form-label fade-in-one"><span id="sixth" class="h4 string">E</span></label>
<input type="number" class="form-control note" id="str1" min="0" step="1" max="16">
</div>
<div class="col-sm-2 custom">
<label for="str2" class="form-label fade-in-two"><span id="fifth" class="h4 string">A</span></label>
<input type="number" class="form-control note" id="str2" min="0" step="1" max="16">
</div>
<div class="col-sm-2 custom">
<label for="str3" class="form-label fade-in-three"><span id="fourth" class="h4 string">D</span></label>
<input type="number" class="form-control note" id="str3" min="0" step="1" max="16">
</div>
<div class="col-sm-2 custom">
<label for="str4" class="form-label fade-in-four"><span id="third" class="h4 string">G</span></label>
<input type="number" class="form-control note" id="str4" min="0" step="1" max="16">
</div>
<div class="col-sm-2 custom">
<label for="str5" class="form-label fade-in-five"><span id="second" class="h4 string">B</span></label>
<input type="number" class="form-control note" id="str5" min="0" step="1" max="16">
</div>
<div class="col-sm-2 custom">
<label for="str6" class="form-label fade-in-six"><span id="first" class="h4 string">E</span></label>
<input type="number" class="form-control note" id="str6" min="0" step="1" max="16">
</div>
<div class="col-12">
<button id="form-submit" class="btn btn-dark" type="submit">
SUBMIT
</button>
<button id="page-reset" class="btn btn-dark mx-2" type="submit">
RESET
</button>
</div>
</form>
</div>
<div class="container">
<div id="error-output" class="mx-auto text-center fs-4 text-danger"></div>
<div class="row justify-content-center">
<div class="col-md">
<h2 class="mx-auto text-center mb-3 mt-0 user-notes">Chord name: <span class="text-primary user-notes-output"
id="slash-chord-name"></span>
</h2>
</div>
</div>
</div>
<div class="container">
<!-- BOXES-->
<section class="p-1">
<div class="container">
<div class="row text-center g-3">
<div class="col-md">
<div class="card bg-dark text-light">
<div class="h1 lg">
<div class="card-header fs-1 py-1" aria-label="Cut time">𝄵</div>
</div>
<div class="card-body text-center">
<h3 class="card-title text-light">Your notes:</h3>
<p class="card-text fs-4"><span id="user-notes"></span></p>
</div>
</div>
</div>
<div class="col-md">
<div class="card bg-dark text-light">
<div class="h1 lg-rev">
<div class="card-header fs-1 py-1" aria-label="beamed eighth note">♫</div>
</div>
<div class="card-body text-center">
<h3 class="card-title text-light">Chord notes:</h3>
<p class="card-text fs-4"><span id="chord-notes"></span></p>
</div>
</div>
</div>
<div class="col-md">
<div class="card bg-dark text-light">
<div class="h1 lg">
<div class="card-header fs-1 py-1" aria-label="Sixteenth note">𝄫</div>
</div>
<div class="card-body text-center">
<h3 class="card-title text-light">Chord intervals:</h3>
<p class="card-text fs-4"><span id="chord-intervals"></span></p>
</div>
</div>
</div>
</div>
</div>
</section>
<!-- BOXES-->
<section class="p-1 my-3">
<div class="container">
<div class="row text-center g-3">
<div class="col-md">
<div class="card bg-dark text-light">
<div class="h1 lg">
<div class="card-header fs-1 py-1" aria-label="F clef">𝄢</div>
</div>
<div class="card-body text-center">
<h3 class="card-title text-light">Chord tendency:</h3>
<p class="card-text fs-4"><span id="chord-tendency"></span></p>
</div>
</div>
</div>
<div class="col-md">
<div class="card bg-dark text-light">
<div class="h1 lg-rev">
<div class="card-header fs-1 py-1" aria-label="Double flat">𝅘𝅥𝅯</div>
</div>
<div class="card-body text-center">
<h3 class="card-title text-light">Equal chords:</h3>
<p class="card-text fs-4"><span id="equal-chords"></span></p>
</div>
</div>
</div>
</div>
</div>
</section>
<!-- BOXES-->
<section class="p-1 my-3">
<div class="container">
<div class="row g-3 text-center">
<div class="col-md">
<div class="card bg-dark text-light">
<div class="h1 lg">
<div class="card-header fs-1 py-1" aria-label="eighth note">♪</div>
</div>
<div class="card-body">
<h3 class="card-title mb-3 text-light">Scale degrees that build <span id="chord-name"
data-output="output"></span>:
</h3>
<ul class="fs-4" id="scale-degrees"></ul>
</div>
</div>
</div>
</div>
</div>
</section>
</div>
<div class="container m-5 pb-5">
<section id="notes">
<div class="row mx-auto">
<div class="col-md mx-auto">
<h2 class="display-4 text-center bg-light border-bottom border-secondary mt-5 pt-5">NOTES</h2>
<!-- How to use... -->
<h3 class="mt-5">How to use the app</h3>
<p class="lead">If all you need is the chord name then you do not need to look at the rest of the page.
However, I do output a lot of useful information related to your chord. Below describes how to use the app
and describes all the information related to y our chord.</p>
<ol>
<li class="lead">The page by default is set to Standard Tuning (E-A-D-G-B-E). I include 12 common altered
tunings in the select list below standard tuning. Select the tuning you want but make sure to click the
<strong>Set
Tuning</strong> button. I am working on setting the tuning to local storage so it remains when you
click
<strong>RESET</strong>, as well as a Custom tuning option.
</li>
<li class="lead">Enter the fret numbers for your chord. Leave the field empty for any strings that do
not have a note. Use your keyboard # keys or the arrow controls in each input field to enter a number.
If you are fine with
Standard Tuning, then you do not have to hit the Set Tuning button.</li>
<li class="lead">The fret number fields are set to a minimum of <strong>0</strong> for open strings,
and a
maximum of <strong>16</strong>. For any chords past the 12th fret, just subtract 12 from each fret
number to get the chord information.</li>
<li class="lead">The page by default is set to sharp keys. If you are working with a chord from a flat
key
them make sure to select the <strong>Flat keys</strong> radio button. If in doubt, leave it set to
<strong>Sharp keys</strong>. FYI, The flat MAJOR keys are <em>F, B♭. E♭, A♭, D♭, </em>and
<em>G♭</em>.
</li>
<li class="lead">Click the <strong>SUBMIT</strong> to geet the chord information, and the
<strong>RESET</strong> button to try another chord.
</li>
</ol>
<!-- Scales used -->
<h3 class="mt-5">Scales used</h3>
<p class="lead">I only include chords that are built from the following scales: </p>
<div class="container">
<ol>
<li class="lead">Major scale and modes</li>
<li class="lead">Minor pentatonic scale and modes</li>
<li class="lead">Blues scale and modes</li>
<li class="lead">Harmonic minor scale and modes</li>
<li class="lead">Melodic minor scale and modes</li>
<li class="lead">Augmented scale</li>
<li class="lead">Whole Tone scale</li>
<li class="lead">Diminished scale</li>
<li class="lead">Major Bebop scale and modes</li>
<li class="lead">Minor Bebop scale and modes</li>
</ol>
</div>
<p class="lead">If you are a Country or Bluegrass player, you must be wondering why I did not include
the
Major Pentatonic or Country Blues scales. They are both modes of the Minor Pentatonic and Blues scales
respectively. Or vice versa: the Minor Pentaonic and Blues scales are modes of the Major Pentatonic
and
Country Blues scales.</p>
<div class="container my-3 p-3 bg-light">
<h4>Country Blues scale</h4>
<p class="lead">I have not found a definitative name for the Major Pentatonic scale with the addition
of
the ♭3 note. I decided to go with the name <strong><em>Country Blues scale</em></strong> since it
seems
the
the best name for those notes.</p>
</div>
<p class="lead">Also, the 2nd mode of the Major Bebop scale is the <strong><em>Dorian Blues
scale</em></strong>, while the
5th
mode of the Minor Bebop scale is the <strong><em>Dominant Bebop scale</em></strong>.</p>
<!-- Omitted chord tones -->
<h3 class="mt-5">NR, N3, N5, NR/N5</h3>
<p class="lead">You may see some chord names followed by either <em>NR</em>, <em>N3</em>, <em>N5</em>,
or
<em>NR/N5</em>. That is my abbreviation for omitted chord tones:
</p>
<div class="container">
<ul>
<li class="lead">NR = omitted chord root, e.g. G7♯9 NR is missing the root note G.</li>
<li class="lead">N3 = omitted major 3rd root, e.g. G7 N3 is missing the major 3rd B. I do not
recommend
voicing a chord without the major or minor 3rd unless it is a suspended chord. The one exception
is 7
N3
which has an interesting <em>hollow</em> sound. You will not see <em>N3</em> for suspended chords
since the 3rd is <em>suspended</em>.
</li>
<li class="lead">N5 = omitted perfect 5th, e.g. G7 N5 is missing the perfect 5th note D. The perfect
5th
(P5) is the most commonly omitted chord tone.</li>
<li class="lead">NR/N5 = omitted chord root and perfect 5th, e.g. G13♭9 NR/N5 is missing the root
note G
and the perfect
5th note D. There are only 2 chords that can have both the root and 5th ommitted: 13♭9 NR/N5 and
13♯9
NR/N5.
</li>
</ul>
</div>
<!-- Equal chords -->
<h3 class="mt-5">Equal chords vs. Unique chords</h3>
<p class="lead">I used the term <strong><em>equal chords</em></strong> to describe a chord that has the
same
notes as a
chord with a
different name. For example, C6 has the notes C-E-G-A, while the chord Am7 has the notes A-C-E-G. Both
contain
the same notes and so they are <strong>equal</strong>.</p>
<p class="lead">The opposite of equal chords are <strong><em>unique chords</em></strong> which refer to
chords that do not
equal any other chord regardless of the chord inversion.</p>
<h3 class="mt-5">Chord tendency</h3>
<h4>How do I use these chords?</h4>
<p class="lead">The <strong>tendency</strong> of a chord refers to where it wants to resolve to - where
it
comes to rest. The easiest way to understand the tendency of a chord is to look at the V7 chord from
the
major scale. If you strum a G7 it naturally wants to resolve to C major, or some C major chord (C6,
Cmaj7,
etc.) Since C is the perfect 4th in relation to G, a G7 chord has the tendnecy of IV. </p>
<!-- Scale degrees -->
<h3 class="mt-5">Scale degrees</h3>
<p class="lead">The major scale has 7 scale degrees, the minor pentatonic has 5, and the blues sale has
6.
If you enter a chord like <em>C add 9</em>, then you will get the 1st, 4th, and 5th scale degrees for
the
major scale. That means that the 1st, 4th and 5th notes in C major build an add9 chord, (C add9, F
add9,
and G add9).</p>
<p class="lead">Or you can think of it as bulding a C add9 chord on the 1st scale degree of C major, the
4th
scale degree in G major, and the 5th scale degree in F major. </p>
<!-- Enharmonic equivalents -->
<h3 class="mt-5">Enharmonic equivalents, double sharps, and double flats</h3>
<p class="lead">I do not list double sharps or double flats. For example, the ♯9 in an E7♯9 chord is
techincally F♯♯, however, I list it as G. Similarly, the ♭5 in E♭7♭5 is technically B♭♭, as is the ♭9
in
an A♭7♭9 chord but I list them both as A.
</p>
<p class="lead">The ♭9, ♯9/♭3, ♯11/♭5, and ♯5/♭13 are the intervals that create a problem when it comes
to
naming chords. I prefer to keep things simple and not confuse people with double sharps and double flats,
or notes like
B♯
or F♭.</p>
<p class="lead">The chord names are correct but the notes are a little <em>“off”</em>. Keep
that in
mind if you are
discussing a chord with someone who knows music theory better
than you do!</p>
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