Basics Of Keyboard - Level 3

1. Quavers ,Semi quaver and demi semi quaver (basics of keyboard)

a) Quaver 

Quaver is otherwise called as Eighth (8) note . It carries 1/2 beat (count) . It as a Flag on it's Stem. When two quavers are beamed together , it is called beamed Quavers  .

b) Semi Quaver 

Semi Quaver is otherwise called as Sixteenth (16)  note . It carries 1/4 beat (count) . It as 2 flag on it's stem . 4 semiquaver forms a Crotchet beat ( 1 beat ) . 

c) Demi Semi Quaver 

Demi Semi Quaver is otherwise called as Thirty Second (32) note . It carries 1/8 beat (count) . It as 3 flag on it's stem .  8 demi semi quaver forms a crotchet beat (1 beat ) .

2. Time Signatures  and Bar line 

There are various time signatures , that is being used in music like 4/4 , 3/4 , 2/4 etc., Let us look about time signatures in this section .

a) What is mean by time signatures ?

Time signatures are commonly used in music 

To Group the rhythms .

To Group the notations .  

To Group the bars .

b) Name Some time signatures 

There are various time signatures in music , Let us see about some commonly used time signatures 

4/4  :  3/4   : 2/4  : 6/8  : 7/8  : 3/2  : 2/2  : 12/8  : 9/8  : 3/8  and some more 

c) Explain how time signatures are formed 

In time signatures there are 2 segments as N/D

where ,  N denotes Number of beats  and 

              D denotes the Type of Beat 

D           Type Of Beat

4    -->   Crotchet Beat

8    -->    Quaver Beat

16  -->    Semi Quaver Beat

2    -->     Minim Beat

So ,  4/4   denotes 4 crotchet beats per bar

        3/4   denotes 3 crotchet beats per bar 

        6/8   denotes 6 quaver beats per bar 

        7/ 8  denotes 7 quaver beats per bar 

        4/16 denotes 4 semiquaver beats per bar

        2/2   denotes 2 minim beats per bar 

Here is one example for your reference.

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