Question

evolution of sound instruments from 18 century onwards

Answer 1

the following points may help you
a)if we go back to the development of sound instruments,earlier pipes were used to produce sounds.
b)though we find from 11th century there was great development in number and  types of musical instruments.
c)most notable changes occurred in the renaissance period.
d)from 1750 to 1900 instruments producing higher volumes developed. 
e)new instruments like clarinet saxophone and tuba became popular.
f)violin flute french horn were also manufactured on large scale.
g)in the 20th century electronic sound instruments developed.
h)electronic guitar synthesizers became highly popular in the 20th century..

hope this answer was helpful??