Porgy and Bess, Act 2 Scene 4:"Oh, dere's somebody knockin' at de do'" (All, Peter, Lily, Mingo, Maria)-Glyndebourne Chorus - 腾讯音乐娱乐-千万正版音乐海量无损曲库新歌热歌天天畅听的高品质音乐平台！