A long rumored expansion by Spotify into Canada has begun. In the last 24 hours, the music streamer has begun sending invitations. Songza, Deezer, Rdio, Sony Music Unlimited and Xbox Music are all already available in Canada. The invites read: Congratulations — you’re in! You’ve been chosen to try Spotify in Canada before everyone else! Millions of songs are now waiting for you. The artists you love, the latest hits and new discoveries— all for free on mobile, tablet and desktop. Happy listening! Spotify appears to be offering a trial of the serivce at no charge, according to 9to5 Mac...

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