Undertale – The Determination Symphony World Tour is a live orchestral concert at Chicago’s Auditorium Theatre featuring the Undertale Symphony performing orchestral arrangements of music from the video game Undertale. The program highlights the game’s memorable themes and cinematic arrangements, presented in a concert format that celebrates the soundtrack and its fan community. The performance is hosted in the historic Auditorium Theatre, a longtime Roosevelt University venue known for large-scale music and theatrical events.