what factors do you think led to the rise of this additional source of income for composers and musicians

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Explanation:

The factors that led to the rise of this additional source of income for composers and musicians were due to the fact that music began to be widely accepted and the publicity also helped.

In the classical era, it should be noted that the kings supported musicians as music was played at palace and were also part of rituals. Musicians were called to different ceremonies and were rewarded handsomely for their music.

It was then widely accepted among the people in the society. The number of musicians increased as well and they became popular, made more money and also became popular.

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answer; im thinking the correct answer is (7years);