Do you want to download music for phone easily? This application is for you. Copy and paste the video link to the application. That you have to do. Moreover, it also allows multiple music to download.
https://www.windowsphone.com/en-us/store/app/c-music-downloader/3550b364-b7c9-440d-85fa-48a9676100ab
https://www.windowsphone.com/en-us/store/app/c-music-downloader/3550b364-b7c9-440d-85fa-48a9676100ab