千秋楽, 千穐楽: the final day of the set of multi-day performances (in sumo, theater, etc.); a finale; the last or end of something

千秋楽: a Tang-style gagaku, originally played to mark the enthronement of Emperor Go-Sanjō; the finale of 高砂 (Takasago, a noh play)

(sumo, theater, etc.) the final day in a set of multi-day performances / (by extension) a finale; the last or end of something

timbre

audience, the crowd

to captivate, mesmerize

beautiful

(archaic) beautiful

a performance (of music); a recital

to play (an instrument) / to perform (a piece of music)