[3중급] Sistar tops first Billboard K-pop chart  

Girl group sistar's song "So Cool." 1
  topped 2
  the first Billboard K-pop 3
  Hot 100 Chart, 3
  which opened last week, 6
Billboard 1
  said. 2
The U.S. weekly magazine, 1
  particularly famous 2
  for music charts, 4
  launched 2
  the Billboard 3
  K-pop Hot 100 Chart 3
  on Aug. 25,
  ranking 2
  digital sales 3
  of the country's top songs 3
  and mobile downloads. 3
The second place 1
  went 2
  to Leesang's "I Turned off TV" 3
  followed 2
  by 2NE1's "Ugly," 4
The chart 1
  was modeled 2
  after Billboard's U.S.based 4
  Hot 100 3
  and other Asian charts. 3
The Billboard 1
  K-pop Hot 100 1
  is supported 2
  by the Korean Entertainment 4
  Producers Association, 4
  which represents 6
  Korea's top music labels, 3
the magazine 1
  said. 2
Sistar 1
  is 2
  a four-member girl group 3
  which debuted 6
  in 2010 4
  with the song 4
  "Push Push," 3

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