You are downloading the Sound Band APPX file v184.108.40.206 for Windows Phone. Sound Band is a paid and useful Entertainment app: Using the sensors available in the Microsoft Band, Sound Band lets you activate sound effects through motion. This is the initial release, ... You can now download the offline APPX file to install & try it.
Download Locations for Sound Band 220.127.116.11 APPX file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline APPX File To Install It Any More.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline Sound Band APPX file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.