Top rookie group CNBlue scores their second No. 1 song of 2010 with "Love".

Seo In Kook's "Love U" surprisingly moves up to the top this week.

2PM held on to the top spot for the third straight week.

2PM's "Without U" remains No. 1 this week. Many new songs are entering the chart.

2PM edged out Lee Hyori and moves up to No. 1 with their latest hit "Without You".

Lee Hyori moves up to No. 1 with "Chitty Chitty Bang Bang".

Two huge superstars are sitting atop our charts this week: Rain is No. 1 and Lee Hyori is No. 2

SNSD finally captures the top spot with "Run Devil Run".

2AM holds on to the top spot for the second straight week. Rain debuts at No. 5.

2AM scores their second No. 1 song this year with "I Did Wrong".

T-Ara repeated as No. 1 with "Crazy Because Of You", plus high debut from 2AM's new song "I Did Wrong".

T-Ara scores their second No. 1 song this year with "Crazy Because Of You". They are the first artist in 2010 to have two No. 1 songs.

Kara solidifies their hold onto the top spot, but T-Ara is closing in fast and could challenge them for No. 1 next week.

Kara's "Lupin" is our new No. 1 song, only takes 2 weeks to reach the top spot.

2AM finally scores their first No. 1 song on our chart this week.