The following list represents the most viral tracks on Spotify, based on the number of people who shared it divided by the number who listened to it, from Monday, Oct. 7, to Sunday, Oct. 13, via Facebook, Tumblr, Twitter and Spotify.

UNITED STATES

1. Pitbull, "Timber" (RCA)

2. Sia, "Elastic Heart—From "The Hunger Games: Catching Fire" Soundtrack" (RCA)

3. Ylvis, "The Fox" (Parlophone Music Norway)

4. Danny Brown, "25 Bucks (feat. Purity Ring)" (Fool's Gold)

5. Enrique Iglesias, "Heart Attack" (Republic)

6. Eminem, "Survival" (Aftermath Records)

7. Phantogram, "Black Out Days" (Republic)

8. YG, "My Nigga" (Def Jam Recordings)

9. The Chain Gang of 1974, "Sleepwalking" (Rockstar Games)

10. Miley Cyrus, "Adore You" (RCA)

UNITED KINGDOM

1. Dan Le Sac vs Scroobius Pip, "Repent Replenish Repeat" (Sunday Best)

2. David Bowie, "Sound and Vision—2013" (Parlophone UK)

3. Daughter, "Smoke" (4AD)

4. Ylvis, "The Fox" (Parlophone Music Norway)

5. Darkside, "Paper Trails" (Matador)

6. YG, "My Nigga" (Def Jam Recordings)

7. Barenaked Ladies, "Odds Are" (Raisin' Records)

8. Sia, "Elastic Heart—From "The Hunger Games: Catching Fire" Soundtrack" (RCA)

9. James Blunt, "Bonfire Heart" (Warner Music UK)

10. Darkside, "Golden Arrow" (Matador)