We often use YouTube to hear a song. It is preferred as you do not need to download a song to hear it. But it takes a bit more time as it provides audio as well as a video stream. However if you want to listen to a song and video is not required this site is very useful. Here there is a huge collection of music tracks and you can listen to any song without downloading by streaming it. You can upload any song if you want to and share any on your social networks.