電極: electrode

結局: after all

大局: general situation; the whole point, the big picture / 対局: a game (of shogi, go, chess, etc.) / 対極: antipodes; other (opposite) extreme; opposite; antithesis

本曲: (music) basic musical pieces for the shakuhachi flute, shakuhachi music or tune / 本局: main office

passion (song themed around the Passion of Christ)

(Internet slang) good song

(music) etude

original song (basis of a cover or arrangement)

(especially Noh) song that is no longer performed

(music) symphony (piece of orchestral music)