#3 Davichi “Will Think Of You”
This was a digital single that was released as a collaboration with composer Jeon Hae Sung. It was a part of his “Love Call” series of releases that he worked on with other artists. The duo have worked with him for their huge hit “Don't Say Goodbye”. This song would peak at the second spot and also sell very well.
#2 Se7en “When I Can’t Sing”
This was his first Korean comeback in almost two years. It was also the first official collaboration with YG and JYPE. The song was written and composed by JYP, and was originally intended for G.O.D’s Son Hoyoung. It was given to Se7en after he heard it at the dinner with JYP and YG. This would peak at the top spot and be one of his best selling songs.
#1 FT Island “Severely”
This was the lead single from the band’s album “Grown-Up”. It is their biggest selling song, and would stay in the top ten for weeks. The song would also win a bunch of music show trophies, including a triple crown. Here’s their comeback stage at Music Core.
#7 Ailee “Heaven”
This was her debut single, and she had a pretty successful debut. The song would peak in the top three, and is still her biggest selling song to date. This is one of my favorite songs from her. I seem to only like the songs that Wheesung wrote for her idk lol. Here’s her debut Music Core stage.
#10 Dal Shabet “Hit U”
This was the lead single for their EP “Hit U”. It’s their most successful release. It was the first to hit number one, and is their biggest selling song. They would promote for almost two months with this one. This is also their last release with Viki. Let’s take a look at their Music Core comeback stage.
source: 1theK, Mnet K-POP, MBCkpop 1 2, TV-People & soompi