Listen to Closely Observed Trains. Rondo on Themes from the Film online. Closely Observed Trains. Rondo on Themes from the Film is an English language song and is sung by Prague Symphony Orchestra. Closely Observed Trains. Rondo on Themes from the Film, from the album Czech Film Music, was released in the year 1997. The duration of the song is 9:13. Download English songs online from JioSaavn.