The second promo video for the anime series "Sound! Euphonium 3" has been unveiled, offering fans a deeper look into the upcoming season. The video introduces a new character, the exchange student Mayu Kuroe, accompanied by clarinet music. The opening theme "ReCoda" by TRUE underscores the appearances of the familiar characters and hints at the difficulties and challenges faced by the Kitauji High School Concert Band, including auditions and crises for the first-year members.

"Sound! Euphonium 3" will premiere on April 7, with episodes airing weekly.