Spotify's Top 10 most viral tracks

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, Feb. 11, to Sunday, Feb. 17, via Facebook, Tumblr, Twitter and Spotify.

UNITED STATES

1. James Blake, "Retrograde" (Polydor Ltd.)

2. Baauer, "Harlem Shake" (Mad Decent Protocol)

3. Fall Out Boy, "My Songs Know What You Did in the Dark (Light Em Up)" (The Island Def Jam Music Group)

4. Drake, "Started From the Bottom_Explicit Version," (Cash Money Records)

5. The Lonely Island, "YOLO" (Universal Republic Records)

6. The Postal Service, "A Tattered Line of String" (Sub Pop)

7. The Neighbourhood, "Sweater Weather" (The (r)evolve Group)

8. Kelly Rowland, "Kisses Down Low" (Universal Republic Records)

9. Mikky Ekko, "Pull Me Down" (RCA Records)

10. Wale feat. Tiara Thomas, "Bad" (MMG/Atlantic Records)

UNITED KINGDOM

1. James Blake, "Retrograde" (Polydor Ltd.)

2. Justin Timberlake, "Mirrors" (RCA Records)

3. Baauer, "Harlem Shake" (Mad Decent Protocol)

4. Foals, "My Number" (Warner Music UK)

5. HAIM, "Falling" (HAIM Productions Inc.)

6. Woodkid, "I Love You" (Green United Records)

7. Macklemore & Ryan Lewis feat. Wanz, "Thrift Shop" (Macklemore)

8. Killswitch Engage, "In Due Time" (Roadrunner Records)

9. Bullet for My Valentine, "Tears Don't Fall (Part 2)" (RCA Records)

10. Fall Out Boy, "My Songs Know What You Did in the Dark (Light Em Up)" (The Island Def Jam Music Group)