Listen to Seventy Six Trombones (Original Broadway Cast/1957) online. Seventy Six Trombones (Original Broadway Cast/1957) is an English language song and is sung by Robert Preston and Original Broadway Cast of The Music Man. Seventy Six Trombones (Original Broadway Cast/1957), from the album The Music Man (Original Broadway Cast), was released in the year 2008. The duration of the song is 3:02. Download English songs online from JioSaavn.