Anybody can me out on this question?

for what purpose are economic interest groups formed?

to represent small and large businesses

to work for the legislature

to write political platforms

to nominate people for public office

The answer is  "To represent small and large businesses."

Explanation:

answer: musical connotation

leonard b. meyer (1918-2007) was an american composer, author and philosopher. his work emotion and meaning in music is perhaps the first major treatise on music. it is a philosophical and psychological work, greatly influenced by koffka (one of the major proponents of gestalt psychology). his work deals with the problem of musical meaning and musical communication.