Listen to A Discovery Fantasy: I. Introduction (Theme) (Live) online. A Discovery Fantasy: I. Introduction (Theme) (Live) is an Instrumental language song and is sung by Association of Texas Small School Bands Region 24/25 High School Concert Band. A Discovery Fantasy: I. Introduction (Theme) (Live), from the album Association of Texas Small School Bands Region 24/25 Middle and High Schools 2025 (Live), was released in the year 2025. The duration of the song is 1:33. Download Instrumental songs online from JioSaavn.