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Chord a Day, March 23rd - C13
Learn a new Ukulele chord every day of the year. The chord for March 23nd is C13. Take any blues chord progression in the key of C, F or G and substitute C13 for C7 or C9.
Chord a Day, March 23rd - C13 Lesson Video
Core 4-part
, a.k.a. Jazz
Chords
Today's chord, C13 is one of, or based on one of, the Big Six Core Jazz
chords
for creating your 4-part, contemporary chord foundation and Life Beyond the Third Fret.
Learn a New Chord Each Day!!!
This Learn a New Chord Each Day!!! series of lessons was created and published in 2013 (10yrs ago) and has been added to an expanded ever since. 2020 brought videos to the show. 2023 is bringing more Harmonic information.
For a further exploration of this chord and its movable forms visit the Movable Ukulele Chords Lesson Series page.
To find out even more than you would ever need to know about a C13 chord — continue reading .
Chord Type(s): Major 7-part
Chord Categories: Movable Form
Related Lesson: Understanding a Chord Diagram
Open Position chords typically do not show the location of the root or letter name of the chord as these chords are the first chords a ukulele player learns and are almost entirely learned by shape and sound – hopefully, the chords' name. Later on, one develops the ability to determine the location of the chord root(s) or letter name within the chord.
Standard Music Notation and TAB
Standard music notation and TAB for C Tuning, Low and High G
variations
The same numbering notation of TAB can be used to describe the open strings and frets to be played when using text only notation or verbal communications. Using an open position C as an example, we can describe it as 0003 indicating open strings four, three, and two with fret (3) being fingered on string one. An open position D7 indicated as 2020.
As you can see that are numerous ways to describe a chord, either verbally, Standard Music Notation , TAB , in text, graphically using a Chord Grid , etc.
Derived From
Today's chord, C13 is a derived chord from C7 . Take any chord progression with C7 in it and explore substituting C13 for C7.
Chord Spelling
Chord Spelling is simply knowing what the notes, the chord tones of a chord are.
The notes of all chords can be determined from its corresponding major scale based on the root of the chord and numeric formula.
The notes for C13 are:
C E G Bb D (F) A
The chord tones are the 1 3 5 b7 9 11 13 scale degrees of the parent C Major Scale .
C13 is a movable version of the open position A7 with the root on string one, with a raised root to a ninth and a raised fifth to the thirteenth.
Recommended Fingering
Although additional fingerings are possible for many chords. Fingering for any given chord depends the science of how our fingers work and on the harmonic context the chord is being used in, what was the previous chord and what's the next chord. The goal is to play all the notes right behind the frets when possible. Remember longer fingers can reach the lower strings better and finger two and stack on finger three and finger three can stack on finger four.
Although you can play any chord with any finger — as long as it's yours, the recommended fingering for C13 is:
Recommended Fingering
1-2-3-1
Alternate Fingering(s)
Although alternate fingerings might be possible, the recommend fingering for any chord should be based on an efficient fingering, easy to reproduce on demand and Low Maintenance
Fingering Notation
Fingering notation for a chord using text only, without using a chord grid, is typically done using the finger numbers from left to right, string four to string one (nose to toes). Here is the text notation for January 1st C chord.
A Typical text representation of a chord fingering without using a chord grid.
Fingering Chords
Additional alternate fingerings might be possible for selected chords. If there isn't an overwhelming musical reason for one fingering over another, let efficiency be the determining factor. Something as simple as longer fingers can reach the lower string four and three goes a long way to being efficient when switching chords.
Factors such as playing notes right behind the fret takes less effort than in the middle of the fret. Less effort leads to overall efficiency in play, lower maintenance for maintaining your technique and efficiency leads to speed. This can help in determining what finger to use. Finger three can overlap finger four and finger two can overlap finger three a little allowing them to get closer to the fret.
Remember – the thumb's primary role is to support the fingers – not play notes. Think of the thumb as a Stagehand. He is unseen, doesn't get any lines BUT is a critical member of the team.
Chord Construction, Notes and Intervals
ALL chords can be be constructed based on the their intervals relative to the major scale of the root or letter name of the chord. The individual names of the notes of the chord can also be determined from the same scale.
The chord tones for C13 are: C E G Bb D (F) A
C13 is the 1 3 5 b7 9 11 13 of the C Major Scale based on the root (C) of the chord.
7th (pronounced Seventh)
A partial seventh chord can be created by lowering the Root of a major triad two frets.
A seventh chord as a 4-part chord ( 1 3 5 b7 ) and one of the Big Six core chords used to derive other contemporary and jazz chords.
A Seventh chord along with your basic major and minor chords are the msot common chord you will encounter.
NOTE: A Seventh chord is very often referred to as a Dominant Seventh . This is not always accurate as Dominant — is a chord function and not actually part of a chord name, which is a capital letter and chord type information – not it's harmonic function. We don't call a seventh functioning as a I (one) chord in a Blues a Tonic Seventh or the IV (four) chord a Sub-Dominant Seventh chord, etc...
13th Chords
13th chords apply to seventh chords (1 3 5 b7). A 13th chords it technically a 7-part chords. The 1 3 5 b7 9 11 and 13 of a major scale. The ninth is a common optional chord tone . The eleventh, optional as well but not as common.
To get this voicing start with a basic 7th chords and raise the root to the ninth and raise the fifth to the thirteenth.
A really cool voicing of a ninth is 3 b7 9 13. THis contains all the color tines of the chord.
Next Steps
After memorizing todays C13 chord and able to switch in time with other chords. The next step is adding various Strums , Fingerpicking patterns, and exploring the Movable Chord versions of today's chord, to your ukulele skills.
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End of Lesson - Thanks, Hope You Enjoyed It!
Related Lessons, Videos, Lesson Series, Songs, Books & Reference Charts, Resources & Assets, Workshops are below.
Related Lessons
Related Lessons for Chord a Day, March 23rd - C13
.
Chord Shapes and Learning `Ukulele Chords
Pick up any chord dictionary, and one thought that should go through your mind is - TOO MANY CHORDS There is now way to memorize all those shapes. It would be better off learning how they came up with all those shapes. Most chord dictionaries are also just like pages transposed to all possible keys.
Learning the `Ukulele Fingerboard (Finally!!!)
Most players struggle with learning the names of the notes of the ukulele fingerboard. There doesn't seem to a pattern and notes repeat. There is an easy way and "it's easier that you think." Most players know the names of the open strings for their favorite tuning.
Movable `Ukulele Chords
A series of weekly ukulele lessons originally presented throughout 2007 on movable ukulele chords as the "Ukulele Chord of The Week Series". Based on the Ukulele Chords book by Curt Sheller (me). It takes the open position chords and shows the movable form and the variations.
Reading Ukulele TAB - Alternate Notation
"TAB" or "Tablature", is an alternate form of musical notation, which tells players where to place their fingers on a particular instrument rather than which pitches to play. TAB is sort of a secret language between guitar players and ukulele players. Although a shortcut to getting started it actually serves to alienate one from the rest of the music world.
The Learning Process - The Mind, Hands and Ears
For music and learning an instrument like the ukulele or guitar, it's all about the making the connection between your Mind, your Hands, and your Ear. When listening to music, we enjoy it at the tempo the composer or artist intended, in real time. Only the ear is involved in listening. This is passive listening and you're simply enjoying the music. This is what we do every day and it's what draws us to want to learn a musical instrument.
The Harmonized Major and Minor Scale Charts
The "Major Scale" or Ionian scale is a diatonic scale, made up of seven distinct notes, plus an eighth which duplicates the first one octave higher. In solfege these notes correspond to the syllables Do, Re, Mi, Fa, Sol, La, Ti/Si, (Do), the Do in the parenthesis at the end being the octave of the root.
Transposing Individual `Ukulele Chords
"Transposition" is the process of moving a note, chord, scale or any musical passage from one key to another key. All music can be transposed, from a single note to a complex musical score. This lesson deals with transposing chords on ukulele and transposing chords.
