Piano Lessons For Beginners !
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Piano Lessons For Beginners : BASIC TRIADS
Toady we’ll learn about the basic triads.
Triads are chords made of only three notes.
Tri means 3
In music; we have 4 different types of triads. Namely
> Major triad
> Minor triad
> Diminish triad
> Augmented triad.
Those triads are the basis of chords. You cannot understand chords better without first learning what triads are.
I called it basic triads because since triad is made up of just 3 notes. There are more to it than those 4 types mentioned above.
Quartal triad, quintal triad, Tertial triad etc.
Though they are harmonies, triad can still be gotten from them.
Those basic four types of triads has their different formulas.
To get their notes, you need to harmonize it from a diatonic major scale built off any tonality.
Piano Lessons For Beginners : Major Triad
Major triad has its formula as 1-3-5.
Let’s use C major scale as an example.
C major scale has the notes C-D-E-F-G-A-B
With the formulas 1-2-3-4-5-6-7.
Therefore, 1-3-5 becomes C-E-G.
Let’s use same approach for F major scale.
F major scale has the notes F-G-A-Bb-C-D-E
And formula as 1-2-3-4-5-6-7
Therefore, F major triad becomes F-A-C.
You need to transpose this major triad in the 12 keys. To successfully do this.
Start from C major triad as C-E-G
If you move each notes up a Half-step you’ll get the major triad of the key up a half step from C and that is C#.
So C# major triad becomes C#-E#-G# [I moved C to C#; E to E#/F; and G to G#]
Just after C# major triad the next will be D major triad.
Let’s apply same principle from C# major triad.
D major triad become D-F#-A [I moved C# to D; E# to F#; and G# to A]
Now; you can do the rest. Here’s the summary of your results:
C major triad C-E-G
C# major triad C#-E#-G#
D major triad D-F#-A
Eb major triad Eb-G-Bb
E major triad E-G#-B
F major triad F-A-C
F# major triad F#-A#-C#
G major triad G-B-D
Ab major triad Ab-C-Eb
A major triad A-C#-E
Bb major triad Bb-D-F
B major triad B-D#-F#.
Next will be minor triad.
Piano Lessons For Beginners: Minor Triad
C minor triad C-Eb-G
C# minor triad C#-E-G#
D minor triad D-F-A
Eb minor triad Eb-Gb-Bb
E minor triad E-G-B
F minor triad F-Ab-C
F# minor triad F#-A-C#
G minor triad G-Bb-D
Ab minor triad Ab-Cb-Eb
A minor triad A-C-E
Bb minor triad Bb-Db-F
B minor triad B-D-F#.
Piano Lessons For Beginners: Scales
A member asked for the key one would get when one moves 2 semitones below key Bbmaj. A lot of members answered G# or Ab.
I have severally stated that G# and Ab are not the same but a lot of folks who depend on their ears and eyes alone debate it to be a false claim.
Let’s deal with this once and for all, then.
I will take a detour and deal on G# and Ab as just notes/pitch classes. Let me paint a picture, a clear one:
John and James are in the same class and after their exams on 2 subjects, John scored 91 and 93 while James scored 97 and 99. In the school, any one who scores 90 and above gets an A. So James and John gets 2 As.
the teacher has to calculate the average scores to place them in their proper positions. So John gets an average score of 92 and James gets an average score of 98. So James takes the first position and John takes the second position.
End of story.
As long as there is no need to take an average to know who comes first, James and John both gets 2 As each. But once there is a need to go beyond that, clearly they are not in the same score class again.
The same happens if G# and Ab are adjudged by their sounds alone, or their position on an equal temperament tuned instrument like the piano. But that is not all there is to G# and Ab.
Now to the main discussion.
In music, a key is a collection of notes/pitches, precisely 7 notes, in a certain pattern/rule. The pattern/rule is called the DIATONIC RULE. Here are what the rule states:
a. All the 7 notes in music MUST be represented in the collection ONCE ONLY, either as a natural note or an accidented/
modified note. That means that C and C# cannot exist in the same collection.
b. There is NO MIXTURE OF ACCIDENTALS. They are either all flats [b] or sharps [#] or none at all.
2 simple rules that MUST be observed duly for the collection to be called a KEY.
Now, this debate gets interesting.
I say there is key Abmaj and the 7 notes in the collection are Ab-Bb-C-Db-Eb-F-G – all the notes represented only once and no mixture of accidentals.
There is no key G#maj. If you debate it, proof it with the rules that define a key in music. If you can’t, just accept it that G# and Ab are not the same.
In fact, there is no key D#maj, G#maj and A#maj. They only exist as minor keys.
Now, I’m waiting for your comments.
Till next post, be blessed and improve!
Lesson about music scales.
Piano Lessons For Beginners: Diminished scales
A diminished scale is an 8-note [Octatonic] scale that is built by alternating whole and half steps from any root note. We have 2 main variants – the fully diminished and dominant diminished scales. The major characteristics of this scale is that any of the notes you pick as the root will feature the b3 and b5 of it. These scales are also symmetrical.
Let me explain:
CDEbFGbAbAB is the C Fully diminished scale, also known as the C Diminished Whole-Half scale.
If I take C as the start note, I have Eb and Gb as the b3 and b5.
Take D as the start note, I will have F and Ab as the b3 and b5.
Take Eb as the start note, I will have Gb and A [actually Bbb] as the b3 and b5.
So you see that the b3 and b5 are the main characteristics of a diminished scale.
A diminished chord is one that has those 2 notes [b3 and b5] within itself. We also have a fully diminished and a half-diminished chord, the difference being the type of 7th note that they have.
A fully dim chord has a 1+b3+b5+bb7 while a half-dim chord has a 1+b3+b5+b7. We also have a dim major chord, formed by a 1+b3+b5+7.
All these are built upon the diminished triad – 1+b3+b5
Diminish chords like other chords are harmonize from diminish scales. We have two types of diminish scales in music.
a. Diminished Whole-Half scale
This scales moves in whole-step to Half-step.
The movements continues.
Eg C diminish whole-half[WH] scale will have the notes C-D-Eb-F-F#-G#-A-B-C.
And the second type of diminish scale is diminish Half-whole scale.
b. Diminished Half-Whole scale
This is just like the WH scale but it moves from Half-step to whole-step.
Eg C diminish Half-Whole[HW] scale will have the notes C-Db-Eb-E-F#-G-A-Bb-C
I won’t go into Harmonizing diminish scales for now. I will leave that for some other time.
Know that diminish chords also has extensions just like the major and minor chords.
A diminish triad has the formula 1-b3-b5.
Eg Fdim triad will be F-Ab-Cb.
Cdim triad will be C-Eb-Gb.
A diminish 7 tetrad[Tetrads are chords made up of four notes] has the intervallic formula 1-b3-b5-bb7.
A simple cheat to get this easily is to reduce the notes of a dominant 7 chord except the root a Half-step.
Eg a dominant 7 has the formula 1-3-5-b7
Reducing each notes a half step except the root we’ll get 1-b3-b5-bb7.
I guess this makes it better.
Cdim7 will be C-Eb-Gb-Bbb
Fdim7 will be F-Ab-Cb-Ebb
Diminish 9 pentad has the formula 1-b3-b5-bb7-b9.
Same cheat applies. Reduce dominant 9 chord a half step without the root.
Cdim9 will be C-Eb-Gb-Bbb-Db
Fdim9 will be F-Ab-Cb-Ebb-Gb
Diminish 11 chord will have the formula 1-b3-b5-bb7-b9-b11[Reducing dominant 11 chord a half step without the root]…
The b11 is enharmonically a 3.
Therefore it does not exist in musical practice.
The b11 and #13 tension notes does not exist in music.
Bear this in mind
Since a diminish 11 chord does not exist it therefore means diminish 13 chord too will not exist since dim11 gives rise to dim13.
Important piano lessons.
Today we’ll learn about the 7th chords.
There are mainly Five categories of 7th chords.
> Major seventh
> Minor seventh
> Dominant seventh
> Augmented seventh
> Diminish seventh.
We’ll discuss each briefly today.
Let’s start with major 7th chords.
Piano Lessons For Beginners: MAJOR SEVENTH CHORD
Before we go into this; let’s talk about Octave.
In case you’re hearing it for the first time.
An Octave comprises of eight notes[Oct means 8]…
It also means holding similar keys/notes together.
C and C together makes a C octave.
D and D together makes a D octave.
You can go on and on with that.
Okay, let’s continue.
A major 7 chord comprises of the major triad with a note a half-step from the octave of the tonic[ Tonic is your first scale degree. What most folks call do]
Doh = Tonic
Reh = Supertonic
Mi = mediant
Fa = Subdominant
Sol = Dominant
La = Submediant
Ti = leading tone/note
Doh = Octave.
A major 7 chord is a tetra chord because it comprises of 4 notes.
It has its formula as 1-3-5-7
First get the major triad then next
Stretch your hand to the octave and move a half-step downward from the octave.
Let’s try an example
C major 7 chord will comprise of C major triad as C-E-G.
Then stretch your pinky to get C octave as C-C’ [C’ indicates higher C note]
From that octave [C’]love down a semitone
You’ll have B.
Add it up to the C major triad we’ll have C-E-G-B as C major 7 chord.
Let’s try another example.
F major 7.
It comprise of F major triad as F-A-C.
One note downward from F octave gives E
Altogether we have F-A-C-E.
As usual; you need to transpose it up and down different keys.
Major 7 Chords:
C major 7 C-E-G-B
C# major 7 C#-E#-G#-B#
D major 7 D-F#-A-C#
Eb major 7 Eb-G-Bb-D
E major 7 E-G#-B-D#
F major 7 F-A-C-E
F# major 7 F#-A#-C#-E#
G major 7 G-B-D-F#
Ab major 7 Ab-C-Eb-G
A major 7 A-C#-E-G#
Bb major 7 Bb-D-F-A
B major 7 B-D#-F#-A#
Next will be Minor 7.
Piano Lessons For Beginners: SEVENTH CHORDS
Minor 7 chords had its formula as 1-b3-5-b7
Therefore C minor 7 chord will be C-Eb-G-Bb
F minor 7 chord will be F-Ab-C-Eb
What about Minor7b5 [Minor seven flat five] chord?
It will have same notes as minor 7 chord but in this case the 5th note is reduce downwards a half-step [1-b3-b5-b7]
Another name for this chord is Half-diminish 7 chord.
As usual, you need to transpose it up and down different keys.
Minor 7 Chords:
C minor 7 C-Eb-G-Bb
C# minor 7 C#-E-G#-B
D minor 7 D-F-A-C
Eb minor 7 Eb-Gb-Bb-Db
E minor 7 E-G-B-D
F minor 7 F-Ab-C-Eb
F# minor 7 F#-A-C#-E
G minor 7 G-Bb-D-F
Ab minor 7 Ab-Cb-Eb-Gb
A minor 7 A-C-E-G
Bb minor 7 Bb-Db-F-Ab
B minor 7 B-D-F#-A
Next will be Augmented 7
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