MUSIC IS LIKE A FORMULA
There are numbers, alphabets and notes in music. And all of these are interrelated with each other. Notes can be represented by a letter or a number and you will need to count with each note. Let's start by knowing them by theory and then we will do some practical exercises.
A B C D E F G
Letters can be a chord or can be an individual notes or Root
Note/Key
1 2 3 4 5 6 7 8 9 10 11 12 13
Numbers could represent as a chord itself or variation to a
chord i.e. G5, D6, A7 or C9. Also it can be the fret number when you are
reading a tablature.
I ii
iii IV V
vi vii
Roman numbers is the symbol we use when numbers represents a
chord. Upper case represents Major chords and Lower case represents Minor
chords.
Samples of chords pattern or sequence:
I - IV - V or the ii -
V - I
The letters are your Keys. You will often hear musicians when they jam asking fellow musicians "what KEY are we on?" It means key of A or B or C or any Key for that matter. Now the numbers are the representation of those letters; however, it is variable. Let's focus on the order above which is Key of A. So "A" is your root therefore it's your number 1 or in Jazz, it will be shown as Roman numeral I. You can see patterns like I-IV-V or translated as 1, 4, 5. And, this will be interpreted in letters as A-D-E- if we refer to the letters above. Anyways, let's not complicate things and just remember that there are Letters A to G and numbers 1-7.
Now about the notes. It is also important to know them and the counting or measures of each notes.
Let's practise by clapping our hands.
Whole note = 4 measures 1 clap count as 1, 2, 3, 4 clap on 1 only
Half note = 2 measures 2 claps count as 1, 2, 3, 4 clap on 1 and 3
Quarter note = 1 measure 4 claps count as 1, 2, 3, 4 clap on all 1, 2, 3, 4
Eight note = 1/2 measure 8 claps count as 1 & 2 & 3 & 4 & clap on all
16th note = 1/4 measure 16 claps count as 1 e & a 2 e & a 3 e & a 4 e & a clap on all
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