Listen to Three Retreats: The Green Hills Of Tyrol / Dream Valley Of Glendural / When The Battle's O'er online. Three Retreats: The Green Hills Of Tyrol / Dream Valley Of Glendural / When The Battle's O'er is an English language song and is sung by The Pipes and Drums of Innes Tartan. Three Retreats: The Green Hills Of Tyrol / Dream Valley Of Glendural / When The Battle's O'er, from the album Sailing & Other Pipe Band Favourites, was released in the year 2008. The duration of the song is 3:05. Download English songs online from JioSaavn.