noun
homecoming performance; triumphant return concert
Refers to a performance (concert, play, etc.) given after a successful tour abroad, celebrating the return home. Often used for musicians, theater troupes, or sports teams.
世界的なツアーを終えた歌手が、凱旋公演で地元のファンを沸かせた。
The singer, having finished a world tour, thrilled local fans with a homecoming performance.
劇団の海外公演が成功し、来月には東京で凱旋公演が予定されている。
The theater company's overseas tour was a success, and a homecoming performance is scheduled in Tokyo next month.
Compound of 凱旋 (triumphant return) and 公演 (public performance). The exact historical derivation is uncertain, but the term is conventionally associated with celebratory performances after overseas success.