Category:Collaboration Singles

35 Girls 5 Concepts

 * Pick Me (Soyeon, Produce 101 Trainees)
 * Don't Matter (Soyeon, Team "Splendid Rivers & Mountains")

Unpretty Rapstar 3 Compilation

 * She's Coming (Soyeon, Unpretty Rapstar 3 Contestants)
 * Scary (Soyeon, Nada)
 * Smile (Soyeon, Davii)
 * Day of a Kid (Soyeon, Superbee)

ONE

 * Upgrade
 * Mermaid (Soyeon, Lee Minhyuk, Peniel, Jung Ilhoon, Jang Yeeun, Wooseok)
 * Follow Your Dreams
 * Young & One

Wow Thing

 * Wow Thing (Soyeon, Red Velvet's Seulgi, GFriend's SinB, Chungha)

K/DA

 * POP/STARS (Soyeon, Miyeon, Madison Beer, Jaira Burns)

HUTAZONE

 * Hang out (Soyeon, HUTA)

FACE

 * I Wanna Be (Soyeon, Key)

Cart

 * Cart (Miyeon, Hangzoo)

EMPIRE

 * EMPIRE (Minnie, Wengie)

True Damage

 * GIANTS (Soyeon, Becky G, Keke Palmer, Thutmose and Duckwrth)

DESSERT

 * DESSERT (Soyeon, Hyoyeon, Loopy)

ALL OUT

 * THE BADDEST (Soyeon, Miyeon)
 * MORE (Soyeon, Miyeon)

HWAA Remix

 * HWAA (Dimitri Vegas & Like Mike Remix) ((G)I-DLE, Dimitri Vegas & Like Mike)
 * Last Dance (UNIVERSE MUSIC)