Fill in the Blanks MUSIC: THE CLASSICAL PERIOD.Online version Complete the information required by reading pages 87, 90 y 91. by Bilingual San Fernando 1 1 . Instrumental Music in the Classical period . This is a period in which the instrumental music develops to a high level . The most important form is the , many of them written by composers such as and . The size of the orchestra changes , the number of instruments and new ones are brought into it . There are three families of instruments : , , and . 2 . Vocal music in the Classical period . In the Baroque period , the became an essencial way of expression . In the Classical period the plots move from themes to plots to the audience . While the opera is declining , we will see the rise of the opera . 3 . Classical instruments . Regarding the string family , the most important innovation in this period was the , invented in by , which took over with the . This instrument desappeared during the Classical Period . On the other hand plucked , instruments such as the and the were used as well . As far as wind instruments are concerned , the and the were brought into the orchestra . Finally , percussion instruments such as , and were also played in the orchestra .