Listen to The Belles of St Trinian's. Exploits for Orchestra: II. Train to Trinians. Allegro brillante online. The Belles of St Trinian's. Exploits for Orchestra: II. Train to Trinians. Allegro brillante is an English language song and is sung by Rumon Gamba and BBC Philharmonic Orchestra. The Belles of St Trinian's. Exploits for Orchestra: II. Train to Trinians. Allegro brillante, from the album The Film Music of Sir Malcolm Arnold, Vol. 2, was released in the year 2000. The duration of the song is 1:22. Download English songs online from JioSaavn.