The keyboard basic

The keyboard basic:

As you know there are twelve keys in keyboard, 5 blacks & 7 white.

Black ones are called sharp they are symbolized with # this.

Below is the basic keybord structure:

black keys: C# D# F# G# A#
White keys: C D E F G A B

Above you saw is the basic structure of keyboard. All these twelve keys forms one octave,

Every normal keyboard has 6-7 octaves. This is the basic knowledge of keyboard.
next post will be a latest song notation, you can feel free to coment on this post.
Regards, Samir.