Alphorn (version for chamber orchestra) in E Flat Major, TrV 64 - Alphorn (version for chamber orchestra) in E Flat Major, TrV 64 (降E大调阿尔卑斯号角（室内乐团版），TrV 64 - 降E大调阿尔卑斯号角（室内乐团版），TrV 64)