GUITAR: Beginner eBook
"all you need to start playing guitar"


by Mark John Sternal

Electronic Text and Audio Lesson

Lesson 9: Key Signature - Natural Sharp & Flat Notes

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Key Signature

Another way of writing sharps or flats is to use a key signature. Simply put, a key signature is a group of sharps or flats at the very beginning of a staff line. The sharp or flat note in the key signature indicates that all notes of the same name will be altered throughout the piece of music.

Example: If the key signature has sharp symbol (#) on an F line it means all F notes will be sharp, (F#) for the remainder of the piece of music unless otherwise indicated by another accidental symbol.

 

The Natural Symbol

When a sharp or flat note needs to be changed back to its original non-accidental state a "natural" symbol is used.

Sharps and Flats and the Musical Alphabet

The musical alphabet consists of 12 notes.

A
A#/Bb
B
C
C#/Db
D
D#/Eb
E
F
F#/Gb
G
G#/Ab
A
1
2
3
4
5
6
7
8
9
10
11
12
1

*Notice that the 2nd, 5th, 7th, 10th, and 12th notes have 2 different names. For example, the 2nd note can be an A# or a Bb. It is the same note but it has two different names.

The notes A, B, C, D, E, F, & G are called basic or natural notes.

The notes A#/Bb, C#/Db, D#/Eb, F#/Gb, & G#/Ab are called accidentals.

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