Annie Music - The easiest way to share good music
YoutubeMultiDownloader - Just like its name YouTube Multi Downloader, it is an online website for downloading the videos of downloading without using any video download and accelerator.
SOUNDS - Discover music with friends
KeepVid - A free web application that allows you to download videos
Spotify - Map shows when two people play same song at same time
SaveFrom.Biz - Convert YouTube video URL to MP4 file and download it to your device. SafeFrom is the best YouTube video downloader and converter.