Awaiting new club leader Kumiko is the Ensemble Contest, and the school's preliminary competition to determine the representative team to participate. Kumiko tries her best to make it to the preliminaries without incident, but the concert band club is so large that there seems to be no end to the problems. And as club leader, she finds herself busy consulting on all sorts of matters. While the other members are deciding on their teams, Kumiko herself hasn't even decided which she will join...

Both performances took place at Tachikawa Stage Garden in Tachikawa, Tokyo, Japan. The concerts consist of two performances (titled above), Spotlight Star and Harmony Star. While the cast list for both performances is identical, the featured contents are different: Spotlight Star focuses on solo performances, while Harmony Star focuses on group performances.

The music isn’t over yet! “Sound! Euphonium: The Final Movie, Part 1” is coming in 2026!

TV broadcast version of the Re;IRIS storyline from the Gakuen Idolmaster game.

The second part of Sound! Euphonium: The Final Movie.

THE IDOLM@STER Gakuen The 2nd Period (学園アイドルマスター The 2nd Period) was a live concert event that took place in the following locations and dates: The 2nd Period H.I.F Senbatsu Shiken (Selection) (The 2nd Period H.I.F 選抜試験（セレクション）): Makuhari Messe Event Hall in Chiba, on May 15th and 16th, 2026. The 2nd Period Hatsuboshi IDOL FESTIVAL: Yokohama Arena in Yokohama on June 6th and 7th, 2026. The former will feature the characters performing (as 3D-CG models), and the latter will feature their voice actresses performing.