2025 stock In 2014, Tatsuya Yoshida participated in the first Tomorrow Music Festival, and his improvisation with Mamoru on the night of the performance was the first time the two musicians collided, and the improvisation, which lasted less than 30 minutes, brought the audience's perception of “improvisation” to a new level. The last two improvisations in Ruins Alone: Tomorrow's Ruins were recorded live at that time.