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The SoundCloud music streaming service is a sound sharing platform used mainly for music & podcasts. All tracks are streamable, and artists can mark them as downloadable or link to paid downloads elsewhere.
SpecsUpdate
Pros
Pro Free access to a huge selection of underground music
The SoundCloud music streaming service has over 115 million tracks accessible for free. Majority of those free tracks are uploaded by musicians that aren't backed by major labels. As such SoundCloud is a great place to discover new content that often will not be available on other music services that primarily license their music through deals with record labels.
Pro Creates a true sense of a community
By emphasizing user comments (attached to specific points in songs) SoundCloud brings the community aspect of listening to music to the forefront more so than other music streaming services. Additionally, the ability to follow users and artists, liking, sharing and reposting songs helps strengthen a sense of community further.

Cons
Recommendations
Comments
Flagged Pros + Cons
Pro All sounds free to stream
All sounds are available to stream for free, and you don’t even have to listen to commercials.
Out of Date Pros + Cons

Con Poor capabilities for discovering new music
Lacks any good functionality like radio or dynamic playlists of similar music and so on. It's like tumblr but for music.
