The most streamed tracks on Spotify based on the number of people who shared it divided by the number who listened to it from Sept. 29 - Oct. 5 via Facebook, Tumblr, Twitter and Spotify. UNITED STATES 1. Taylor Swift, "Shake It Off" (Big Machine) 2. Meghan Trainor, "All About That Bass" (Epic Records) 3. Jessie J, "Bang Bang" (Republic Records) 4. Echosmith, "Cool Kids" (Warner Bros. Records) 5. Ariana Grande, "Break Free" (Republic Records) 6. Sam Smith, "Stay With Me" (Capitol Records Ltd.) 7. Maroon 5, "Animals" (Interscope Records) 8. Sia, "Chandelier" (RCA Records) 9. Calvin Harris, "Blame" (Columbia...

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