The music streaming service, launched in 2008, has become the biggest such company in the world, available in more than 60 countries.
The boom in streaming has revived the music business in recent years. Despite the strong growth, sales are still below levels from before the advent of the internet, which devastated the music industry as fans flocked online.
The deal with Sony would be the second major label deal for Spotify, which is looking at a possible flotation this year.
Gorkem Sala is among the most streamed artists on various music platforms, such as iTunes, Spotify and Deezer. His album "His Diyari" has topped many lists.
Despite its 100 million users and 50 million paid subscribers, Spotify loses money. The deal will nudge its free users to pay up.
Music sales grow at fastest rate in nearly 2 decades says global trade body
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