Roots of Girls' Generation

Hearts2Hearts (Korean: 하츠투하츠) is a South Korean girl group formed by SM Entertainment. The group consists of eight members: Carmen, Jiwoo, Yuha, Stella, Juun, A-na, Ian, and Ye-on. They debuted on February 24, 2025, with the single album The Chase and its lead single of the same name.

Jeong Soon-won, better known by his stage name The One is a South Korean singer and vocal coach. He debuted in 1997 as a member the group Space A and released his first solo album in 2002. He has released a total of five albums in Korean and one in Mandarin. As a vocal coach, he has taught K-pop singers including members of Girls' Generation and Super Junior.

Kesha Rose Sebert, formerly stylized as Ke$ha, is an American singer, rapper, and songwriter. She has earned two number-one albums on the US Billboard 200 with Animal (2010) and Rainbow (2017), and the top-ten records Warrior (2012) and High Road (2020). She attained ten top-ten singles on the US Billboard Hot 100, including "Tik Tok", "Right Round" with Flo Rida, "My First Kiss" with 3OH!3, "Blah Blah Blah", "Your Love Is My Drug", "Take It Off", "We R Who We R", "Blow", "Die Young", and "Timber" with Pitbull. Her 2009 single "Tik Tok" was the best-selling digital single in history, selling over 14 million units internationally, until surpassed in 2011. She fulfilled her five-album contract with Kemosabe Records by releasing the album Gag Order (2023), and released her first independent album, Period (2025), under her own label, Kesha Records.

Listen to My Heart is the debut Japanese studio album by South Korean recording artist BoA, released via Avex Trax on March 13, 2002. BoA worked with a team of songwriters and composers to produce the album, including Natsumi Watanabe, Kazuhiro Hara, Ken Harada and Akira; all of whom would collaborate with BoA again on her future albums. Musically, Listen to My Heart is primarily a pop record with influences from R&B.