What are you saying please explain
1:Violin
2:Viola
3:Cello
4:Double bass
Answer: A set of principles dealing with the appreciation of beauty usually used in art.
Explanation:
The first four concertos are designated Le quattro stagioni, each being named after a season. Each one is in three movements, with a slow movement between two faster ones (and these movements likewise vary in tempo amid the seasons as a whole).