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The importance of the art of music
The starting point in many music theory tutorials is the C major scale:
The C major scale (also called the Ionian scale) is the foundation on which the most of Western music is built.
The letters in the scale are the note names: C is do, D is re, E is mi, F is fa, G is sol, A is la and B is si. The numbers are what we call the function of the note in the scale or chord. The 1 is also known as the 'root'. The first type of chord we'll have a look at is the triad. A triad is a chord that has 3 different notes. Triads are built by stacking thirds. A third (also written like 3) is a particular interval between two notes
We'll construct our first chord by stacking 2 thirds on the first note (C or 1) of the C major scale. First we count 4 half notes beginning from the first note: from C to C# to D to D# to E. Then we count 3 half notes from the E: from E to F to F# to G.
This results in a C major triad. C to E makes a major third and E to G a minor third : this structure is typical for every major chord and can be written in a chord formula.
Minor chords are very similar, yet the structure of the triad is such that from Root you progress Tone/Semitone - to the 3rd, then Tone Tone Semitone to the 5th
Major thirds progression - starting at C
1. Major triad. It has a major third (4 semitones), then a minor third (3 semitones) in determining the triad. E.g. C triad has root C, then 4 semitones higher is E, then 3 semitones higher is G so C-E-G
C maj triad
2. Minor triad. It has a minor third (3 semitones), then a major third (4 semitones). E.g. C minor triad has root C, then 3 semitones higher is D# (or E flat), then 4 semitones higher is G so C-D#-G or C-Eb-G
C min triad
3. Augmented triad. It has 2 major thirds (i.e. 4 semitones, then another 4 semitones). So a C aug. is root C, then E, then G#
C augmented triad
4. Diminished triad. It has 2 minor thirds (i.e. 3 semitones, then another 3 semitones). So a C dim. Is root C, then D#, then F#
C diminished triad
When we extend out the triad another interval we include the seventh. The seventh chord has another interval after the 5th.
1. Major Minor Seventh (also known as dominant 7th): As guitar players we typically see the 7th written as G7, or E7 This is in fact the Major Minor seventh. We count 3 semitones higher than the 5th and play this note. So a G7 would be G, B, D, F where F is the major/minor 7th. E7 would be E, G#, B, D
E major minor (or dominant) 7th triad
2. Major Seventh: the default seventh in guitar is the major minor seventh. The major seventh is less common, so when written we add “maj” or a capital M to the chord root. EM7 or Emaj7, CM7 or Cmaj7. A major seventh includes the note 4 semitones higher than the 5th to the chord. Gmaj7 thus is G, B, D, F#. EM7 is thus E, G#, B, D#
E major 7th triad
3. Minor seventh is the minor triad plus the minor seventh (3 semitones higher than the 5th) as in case 1. Note the minor seventh has a small m and the number 7. E.g. Gm7 is G, A#, D, F. Em7 is E, G, B, D
E minor 7th triad
rarely used sevenths
On the guitar - a sharp indicates you will play the note a fret higher while a flat means you will play the note a fret lower than the natural note. Looking at the guitar neck above, let's say you are going to play low G. That's 6th string 3rd fret. A G# (Ab) is 6th string 4th fret while a Gb (F#) is 6th string 2nd fret.
What is Timing? In order for music to flow and sound even, you must develop your sense of timing. There are other terms that are used to describe timing in music such as: rhythm, beats, and note values. A rhythm is a pattern of beats, usually repeated in a song for predetermined length of time. The beats are also played for a set amount of time. These are called note values. There are common note values that you can look at and memorize:
Notice that the largest value here is the Whole note. To get the next note value, you just divide the whole note by 2. This produces the Half note. In the example the notes a broken down until the Sixteenth note. But you can go further to a very small value like a 128th note, which is a very short period of time. In guitar, the smallest note value you will probably play is a 32nd note (not in this course).
To play a rhythm, you must first place beats in to a pattern:
The above diagram illustrates a rhythm made up of: Whole, Half, Quarter and eighth notes. Notice that the count is in groups of 4 beats. These beats that are put into groups called bars or measures. The example has a total of 4 Bars (or measures).
In order to determine how many beats can be placed in a bar, you must place a Time Signature at the beginning of each section:
For instance,
To find a triad’s quality, identify the interval between the root and the other members of the chord. There are four qualities of triads that appear in major and minor scales, each with their own characteristic intervals.
A triad can be summed up by a single symbol, such as a lead-sheet chord symbol. A lead sheet symbol includes information about both root quality, as well as which pitch class occurs in the lowest voice (called the bass regardless of who is singing or playing that pitch).
A lead-sheet symbol begins with a capital letter (and, if necessary, an accidental) denoting the root of the chord. That letter is followed by information about a chord’s quality:
Finally, if a pitch class other than the chord root is the lowest note in the chord, a slash is added, followed by a capital letter denoting the pitch class in the bass (lowest) voice.
A C-major triad’s lead-sheet symbol is simply C. A C-minor triad is Cm. A D-sharp-diminished triad with an F-sharp in the bass is D#dim/F#. And so on.
A four-note chord whose pitch classes can be arranged as thirds is called a seventh chord.
Like with a triad, the pitch classes belonging to a seventh chord occupy adjacent positions (a four-pitch-class clump) on the circle of thirds. The four members of a seventh chord are the root, third, fifth, and seventh.
There are five qualities of seventh chords that appear in diatonic music: major seventh, dominant seventh, minor seventh, diminished seventh (also called fully-diminished), and half-diminished seventh. They are comprised of the following intervals above their roots:
Following are the lead-sheet abbreviations for seventh-chord qualities:
Is formed from either a dominant 7th, major 7th or minor 7th chord by adding the ninth. There are three commonly used types of ninth chord:
1) Dominant 9th Chord (ex. C9) - Formed by playing the 1st + maj 3rd + 5th + flat 7th + 9th. Simply put, you start with a dominant 7th chord then add the 9th. (e.g. you make a C7 and add the 9)
2) Major 9th (Ex. CM9)- Formed by playing the 1st + maj 3rd + 5th + maj 7th + 9th of a major chord. In other words you start from a major 7th chord and then add the 9th.
3) Minor 9th (Ex. Cm9) - Formed by playing the 1st + min 3rd + 5th + flat 7th + 9th of a minor chord. Simply put, you start with a minor 7th chord then add the 9th.