Click MusicDownload to Install Chrome Extension (Free Music Downloader). You can use the extension to download the videos you like, it the Extension has been Installed.
1. Go and Watching video, if Extension can parse the video, just click Extension "Download" button.
2. If can't get parse the video, you may need key in a music/artist name to the input box. Click the "Search" button.
3. You can download or convert the video now.