"Collab of the century" — ARMY reacts as BTS' Jin & Wendy's 'Heart on the Window' gets named one of the Best K-Pop Collaborations of 2024 by Genius

On December 21, 2024, Genius ranked BTS' Jin's latest song, Heart on the Window (feat. Wendy of Red Velvet), as one of the Best K-Pop Collaborations of 2024. The song is from the BTS member's solo debut album, Happy, released on November 15, 2024.

Happy, which marked Jin's much-anticipated return to the music scene following his military discharge, combined emotional ballads with upbeat tracks. The song, Heart on the Window, emerged as a fan favorite, showcasing both the BTS idol and Wendy's range.

Supporters flocked to social media to celebrate the song earning its due flowers. One fan hailed it as the "best collab of the century" and wrote:

"Deserved higher tbh, vocal wise, lyric wise & musicality are top notch & unmatched. Anyway Heart On The Window truly the best collab of the century"

The collaboration between Jin and Wendy has been lauded for uniting the two K-pop artists. Fans took to social media to praise the song and demanded more live-stage performances by the two artists.

""Jin and WENDY, like the yin and yang, synthesize with and contrast against each other" OMG!" one fan noted.

"Heart on the window went triple platinum in my room," another fan wrote.

"Honestly with all this praise we need 10 more live stages idk what to tell you where do we sign a petition for that," one other fan remarked.

Others hailed it as the "best k-pop collaboration."

"Legit the best kpop collaboration period..." a fan emphasized.

"Whoohoo!! We love seeing this. This collab was indeed an awesome one," another fan commented.

"Congrats!!! now we need another live of this song," a fan added.

---

More about BTS' Jin and Red Velvet's Wendy collab

The duo brought their collaboration to life during Jin's Happy Special Stage event on November 17, 2024. Fans were thrilled to witness the live debut of Heart on the Window at the Jangchung Gymnasium in Seoul, where Wendy made a surprise appearance to join the BTS idol.

He expressed his gratitude to the Red Velvet member for her support while she called the opportunity an honor, further solidifying the song's emotional resonance.

During Happy Special Stage, Jin revealed the serendipitous story behind their collaboration. He mentioned that during a casual meal with friends, he expressed his desire to work with Wendy, whose voice he had long admired.

With encouragement from a friend who had Wendy's contact information, The BTS member personally reached out to her.

"I was wondering who I should duet with for the song. One day I ate out with my friends and I asked someone that I wanted to do a duet with Wendy. Because I really loved her voice and they called her up, right away. And asked her if she wanted to do a duet with me and she accepted the offer. I want to thank Wendy again. I was really shy," he said.

Wendy later shared her excitement about working on the song, adding that the experience felt like a refreshing "re-debut." The recording process was both enjoyable and fulfilling for both artists, who bonded over their shared passion for music.

Meanwhile, Jin's solo career began with the release of The Astronaut in 2022, a heartfelt single co-written with Coldplay. Following a two-year hiatus for mandatory military service, he returned with the release of Happy as his first full-length solo album.

Red Velvet debuted in 2014 and has released numerous hits, including their recent 2023 single Birthday. Wendy has also pursued a successful solo career, releasing her album Like Water in 2021 and continuing to showcase her talents in 2024 with another solo project.

---

All tracks of Happy are available on all music streaming platforms.