Spotify is a digital music, podcast, and video service that gives you access to millions of songs and other content from creators all over the world
Tunebat is a key & BPM database and music finder using which you can nrowse harmonic data and recommendations for over 70 million songs.
iTunes is a software that lets you add to, organize, and play your digital media collection on your computer, as well as sync it to a portable device
SoundCloud empowers the world’s audio creators with the best tools, services, and resources to build and grow their careers
OFFMP3 is an easy to use site that helps you convert videos to from sites like Youtube, Twitter, Facebook, DailyMotion and many others to MP3.
MP3fiesta is a free web application that features more than 2,300,000 mp3 songs which you can find and download in ace quality.