Spotify is a freemium music streaming service providing digital rights management-restricted content from record labels including Sony, EMI, Warner Music Group and Universal.
Last.fm is a music community website that offers personalized internet radio, using a recommendation system called "Audioscrobbler" to build a detailed profile of users based on their music tastes and interests.
Deezer is a global music-streaming platform made for multiple of devices. With many contracts with big record labels, deezer allows users to listen to over 90 million songs.
Pandora Radio is a free (ad-supported) internet radio founded in 2000. Using the Music Genome Project, over 400 attributes of songs are analyzed in order to personalize radio stations from music you like.
Pandora vs SiriusXM opinions
I used Sirius only for music and Pandora provides that without cost.
Libre.fm is a project to help you keep track of what music you like and share that, with your friends, discover new music, and meet new people who share your taste in music.
Jamendo is a community of free, legal and unlimited music published under Creative Commons licenses. Share your music, download your favorite artists!
With TuneIn Radio Mobile, your mobile device becomes the radio. Take your stations and programs with you wherever you go. Listen to Pearl Jam on KROQ while working out; listen to This American Life on NPR while on a road trip.
TasteDive (formerly TasteKid) is a recommendation engine for music, movies, authors and books. Just type in your favorite bands, artists, movie titles, book titles or authors, separated by commas, and TasteDive will suggest other things that you may enjoy.
Free internet radio, just like Pandora only fewer ads and more variety. Listen to hundreds of genre stations or create your own with your favorite music.