the extreme / the edge, the boundary

finale (grand end of something)

sankyoku, a traditional Japanese ensemble consisting of three instruments: shakuhachi, shamisen, and koto (formerly kokyu, shamisen, and koto)

atmosphere of a song

acrobatics

(mathematics) a Bézier curve

kayōkyoku; Shōwa-era pop music

musical composition, number, tune, piece of music

open such a facility

opening of a post office, broadcast station, or any other facility ending in 局