What If?

Stray Kids covered Déjà Vu by ATEEZ

First I'm gonna break down the members and their roles in each group. Note, all these beautiful men are impeccable dancers so I'm just gonna note down their verbal roles. I'm not paying attention to who's a "visual" either because they're all gorgeous, let's be real.

Stray Kids Member Breakdown

and their "-RACHA" subunits

Bangchan Rapper, Vocalist
Lee Know Vocalist, Rapper
Changbin Rapper, Vocalist
Hyunjin Rapper, Vocalist
Han Rapper, Vocalist
Felix Rapper, Vocalist
Seungmin Main Vocalist
I.N. Vocalist

3RACHA - Rap Sub-Unit
Bangchan, Changbin, Han

Vocal Racha
Changbin, Seungmin, I.N.

Dance Racha
Felix, Leeknow, Hyunjin

ATEEZ Member Breakdown

Seonghwa Vocalist (capable of rapping)
Hongjoong Rapper, Vocalist
Yunho Vocalist
Yeosang Vocalist (capable of rapping)
San Vocalist (capable of rapping)
Wooyoung Vocalist
Mingi Rapper, Vocalist
Jongho Main Vocalist

Line Distribution

We'll start out with the leader of Stray Kids, and work our way down the age line from there. ATEEZ only has two significant rap parts in Déjà Vu and they belong to Hongjoong and Mingi. The rest of the song is mostly singing with some spoken bits from Yeosang.

The line distribution here will be a fair bit different than the distribution I used for "Thunderous", due to some stylistic things I noticed.

Bangchan → Seonghwa
Seonghwa and Bangchan are both "lead vocalists" in their groups. I think Bangchan's voice would sound great with Seonghwa's lines and since Seonghwa and San's lines from the chorus are harmonized, Bangchan and Seungmin would sound amazing together.

Lee Know → Yeosang
I'm giving Leeknow Yeosang's part simply for the fact that Leeknow is one of the main dancers of Stray Kids and I think he'd do well with Yeosang's choreography for Déjà Vu in particular.

Changbin → Hongjoong
Just like Thunderous, there's really only two lead rap parts in DV and they belong to Hongjoong and Mingi. Since Changbin has a higher-pitched voice, I'm giving him Hongjoong's parts. Plus, since he's a main rapper he could lead into the song with Hongjoong's little 'conductor dance'.

Hyunjin → Yunho
I chose Hyunjin for this part because his dancing is sensual and it would work really well for Yunho's choreography in the song, plus Hyunjin's vocals would work well for Yunho's part the best.

Han → Jongho
Originally I was thinking of keeping Hani and Hongjoong the same but... Han has a very impressive vocal range that can definitely take the high notes from Jongho's lines. Han Jisung is basically the 'golden ace' of K-Pop and while he's a main rapper of Stray Kids, he took most of the high notes after Woojin left SKZ. Jongho is the main vocalist of ATEEZ but he doesn't really have all that many lines in Déjà Vu. So, it gives Hani plenty of breathing room to hit those notes.

Felix → Mingi
Again, Felix has a very characteristic deep voice, as does Mingi. Though he's mostly a dancer in Stray Kids, Felix's voice would lend well to Mingi's rap verses in the song and he could pull it off.

Seungmin → San
Seungmin is the main vocalist of Stray Kids, and while San is only a lead vocalist in ATEEZ, it's his voice that is the center of the chorus from Déjà Vu while Jongho provides a lot of the backing high notes. Seungmin and Bangchan, as I said, would harmonize wonderfully for the chorus.

I.N. → Wooyoung
Like I said before, I.N. and Wooyoung's voices are perfectly matched for each other's parts. I.N. would sound amazing covering Wooyoung's lines.