Answer:
message is really important nowadays without message we cannot comunicate with one another so in my opinion message is very usefull.
They are quite common in most forms of art seems to be the best answer for your question :)
Answer:
2. 1 + 2 + 3 1 2 3 + 1 + 2 3 + 1
3. 1 2 3 + 1 + 2 + 3 1 + 2 + 3 + 1 2 + 3
Explanation:
the three four time signature indicated there are only three beats in the measures.
