by prince

2. WHAT ARE NOTES
In music a note is a pitch or duration of a sound a also the representation
of a musical notations a no te can also represent a pitch class

3. WHAT IS A REST
A rest is a symbol used to mark the pause in music

4. EXAMPLES OF NOTES
Notes. Different pitches are named by letters. The musical alphabet is, in
ascending order by pitch, A, B, C, D, E, F and G. After G, the cycle
repeats going back to A. Each line and space on the staff represents a
different pitch.

5. WHAT ARE EXAMPLES OF RESTS
The quarter (crotchet) rest may also be found as a form in older music.
The four-measure rest or longa rest are only used in long silent passages
which are not divided into bars.
The combination of rests used to mark a pause follows the same rules as
for note values.

6. WHY NOTES ARE USED
Notes are a very relevant thing because instead of words symbols
represent and you can play notes on any instrument

7. WHY REST ARE USED
The quarter (crotchet) rest may also be found as a form
in older music. The four-measure rest or longa rest
are only used in long silent passages which are not
divided into bars. The combination of rests used to
mark a pause follows the same rules as for note
values.

8. REFERENCES
Wikipedia
Google images