The document discusses three types of musical instruments: string, wind, and percussion. It describes the acoustic guitar as a well-tuned string instrument that amplifies sound produced by vibrating strings. It notes that the flute is one of the oldest wind instruments, found across cultures, and was associated with gods in some ancient societies. Finally, it defines maracas as a percussion instrument consisting of a hollow sphere filled with small pieces that produce sound when rattled against the inner wall.

1. MUSICAL INSTRUMENTS
Susana J.P y Maialen R.V

2. STRING INSTRUMENT:
Guitar:
The acoustic guitar is a well-tuned harmonic string musical instrument
that has a resonance box for the amplification of the sound produced
by the vibration of the strings.
In all the guitars the sound is produced by the vibration of the strings

3. WIND INSTRUMENT:
Flute:
A type of wind musical instrument is called a flute. Due to the simplicity
of its construction, it may be one of the oldest instruments, since with
different forms it is found in all cultures.
The sound of the transverse flute was associated with gods. A note of
this is able to calm the world, was one of the most heard phrases
during the Middle Ages.

4. PERCUSSION INSTRUMENT:
Maracas:
The maracas are an idiophone and oscillation instrument constituted
by a hollow spherical part supported by a handle that crosses it, or is
attached to it. Inside it is filled with small percussive elements, such as
small stones or seeds, pieces of glass, small pieces of metal, rice etc.
Which produce sound when hit against the inner wall of the sphere.