Rookie group High4's debut song "Not Spring, Love, or Cherry Blossoms" held its place on the throne. IU's aggressive support aided its success.

High4's "Not Spring, Love, or Cherry Blossoms" is currently ranked #1 on Melon and Daum Music, after 21 days of release.

After its release on April 8, the song had killed 10 music charts, ranking #2-3 through the weeks. Recently, the song rose over Akdong Musician's debut album title song "200%" and took the throne.

It is unprecedented for a rookie group to hold #1 with a debut song for such an extended period of time. Sources point to IU's contribution for the song's success. IU had participated in the featuring, lyric-writing, and the music video for the song.

High4's debut song "Not Spring, Love, or Cherry Blossoms" starts with a romantic acoustic guitar sound and features a funky groove. The freshness of spring is carried throughout the melody, while IU's witty lyrics are sung by the exquisite harmony of IU and High4.

Sibling group Akdong Musician's "200%" is ranked #2 on Melon, while still ranked #1 on Mnet.com, Olleh Music, Genie, and Naver Music.

In today's music charts, A-PINK's "Mr.Chu" and Park Hyo Shin's "Wild Flower" also compete for the top.