Classical music is lighter than Barque music. Classical music tends to be homophonic where as Barque music is a lot more serious.However, Barque music fell between Barque and romantic music. Therefore, in orchestras they started to use different instruments to such as the harpsichord as the main keyboard in the solo instrument of the piano. Composers had used a variety of different keys and melodies due to music being more contrast than it ever was. Within time music had changed due to peoples interests and the different instruments and keys that were used.