Serenade in E minor for String Orchestra, Op. 20 - 1. Allegro piacevole (E小调小夜曲为管弦乐团乐团而作，作品20 - Serenade in E minor for String Orchestra, Op.20: Ｅｌｇａｒ：　１．　Ａｌｌｅｇｒｏ　ｐｉａｃｅｖｏｌｅ　［Ｓｅｒｅｎａｄｅ　ｉｎ　Ｅ　ｍｉｎｏｒ　ｆｏｒ　Ｓｔｒｉｎｇ　Ｏｒｃｈｅｓｔｒａ，　Ｏｐ．２０］|Serenade in E minor for String Orchestra, Op.20: Elgar: 1. Allegro piacevole [Serenade in E minor for String Orchestra, Op.20])