KEY SIGNATURES AND SCALES

Key signatures are made up of accidental signs. They indicate the key of a particular musical piece. The key signature chat is given below:
s/n
Sharp family
Flat family
Keys
No of sharps
Notes sharpened
Keys
No of flats
Notes flattened
1
G
1
F
F
1
B
2
D
2
FC
B
2
BE
3
A
3
FCG
E
3
BEA
4
E
4
FCGD
A
4
BEAD
5
B
5
FCGDA
D
5
BEADG
6
F
6
FCGDAE
G
6
BEADGF
7
C
7
FCGDAEB
C
-
-
SCALES
There are different types of scales but there are basically three types which are:
·         Diatonic scales
·         Pentatonic scales
·         Chromatic scales
The diatonic scale is divided into the diatonic major and diatonic minor scales. The minor scale would be explained in the next grade.
DIATONIC MAJOR SCALE
A diatonic major scale is a series of eight notes played in a progression starting from a tonic to the upper tonic. There are two ways to write a diatonic scale on the stave.
§  With a key signature
§  Without accidentals
With a key signature you establish the accidentals at the start of the stave. Without a key signature you define each accidental as it is played.
The diatonic scales are matched to their key signatures below.
The following steps are guidelines to constructing a diatonic major scale:
a)      Draw the stave
b)      Insert the key signature if you’re using key signature. If not, go on to step three
c)      Construct the notes in the stave
d)      Insert the accidentals if you’re using accidentals. If not skip to step five
e)      Show semi tones with a slur
f)       Close the stave with a double bar line

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