Why vocal music is considered the heart of japanese music​

Explanation:

The music often looks to represent natural sounds, and the sounds of life, through percussion, wind and stringed instruments. An interesting feature of classical Japanese music is its sparse rhythm and absence of regular chords. All of the rhythms are 'ma'-based and silence is an important part of the songs

Gagaku (雅楽) is court music, and is the oldest traditional music in Japan. It was usually patronized by the Imperial Court or the shrines and temples. Gagaku music includes songs, dances, and a mixture of other Asian music. Gagaku has two styles; these are instrumental music kigaku (器楽) and vocal music seigaku (声楽).

regarding the law, the 15th amendment was specifically designed thinking in the rights of black free men.

even though ratified on february 3, 1870, the promise of the 15th amendment would not be fully applied for a long time.poll taxes and literacy tests would allow southern states disenfranchise african americans. only in 1965 the voting rights for african americans would be actually able to vote in the south.

in 1965, president johnson signed the voting rights act, which aimed to overcome legal barriers that prevented african americans from voting as it was guaranteed by the 15th amendment to the u.s. constitution.