Fifth-generation rookie groups are releasing pre-debut songs left and right, but this strategy isn’t new. Agencies have long used pre-debut releases to test the waters before officially launching a group, and many veteran groups have also released such tracks. These early releases generate buzz, offering fans a preview of the group's talent, concept, and sound while helping to build a pre-debut fanbase.

Pre-debut songs, whether they feature collaborations with established artists or are solo releases by the group, often remain treasures. These songs are an important part of the legacy of veteran K-pop groups. For pre-debut fans, these tracks hold a special place, offering a nostalgic view of the beginnings of their favorite idol groups.

Let’s delve into five memorable pre-debut releases by veteran K-pop groups that have left a lasting impression.

2NE1 – LOLLIPOP

Prior to their groundbreaking official debut, YG Entertainment’s iconic girl group 2NE1 collaborated with labelmates BIGBANG to release a digital single, “Lollipop,” on March 27, 2009, as part of a promotional campaign for an LG Cyon cellphone.

T-ARA – GOOD PERSON

In April 2009, the original five pre-debut members of T-ARA released their first song, “Good Person,” for the soundtrack of the K-drama ‘Cinderella Man.’ This veteran girl group officially debuted on July 29 with a new lineup.

miss A – Love Again

Pre-debut miss A released the song “Love Again” in 2010, which was featured in the Samsung Beat Festival commercial of the same name. Lee Min Young, a soloist and long-time trainee in America made a cameo appearance in the music video.

EXO – WHAT IS LOVE and History

EXO, the renowned boy group from SM Entertainment, demonstrated their talents and skills with two prologue singles: “WHAT IS LOVE,” which came out in January 2012, and “History,” released in March 2012.

BTS – A Typical Trainee’s Christmas

Among BTS’ pre-debut releases, “A Typical Trainee’s Christmas,” released on January 11, 2013 standouts. The track is an adapted version of Kayne West’s “Christmas In Harlem” and Wham!’s “Last Christmas.”

Pre-debut songs, while often overshadowed by official debut releases, hold sentimental value for both the artists and their fans. Which pre-debut songs from veteran groups are your favorites?