BBC Proms 2018 Prom 17: Parry, Vaughan Williams & Holst 　　Three of the most loved English composers, Hubert Parry, Gustav Holst and Vaughan Williams, reflect on a country transformed by war at the beginning of the 20th century. 　　Parry, best known for his setting of national favourite Jerusalem, is celebrated with Symphony No 5, a work full of hope that paints a picture of England ...