These are idols that are and were in the same company as other artists.
Intro : Dreamcatcher - Chase Me
Jessica - Because It’s Spring
Playback - Playback
4Minute - Hate
Apink - Always
CLC - Hobgoblin
Eunji - The Spring
G.NA - Oops
Hyuna - Roll Deep
Triple H - 365 Fresh
Troublemaker - Now
April - May Day
Hara - Choco Chip Cookie
Kara - Mamma Mia
Kard - Rumor
Rainbow - Whoo
AoA - Excuse Me
Choa - Flame
Juniel - I Think I’m In Love
Dalshabet - Fri Sat Sun
Dreamcatcher - Goodnight
Subin - Circle’s Dream
15& - Somebody
Baek A Yeon - So So
Baek Yerin - Bye Bye My Blue
Fei - Fantasy
Ha:Felt - Ain’t Nobody
Miss A - Only You
Park Jimin - Try
Sunmi - Full Moon
Suzy - Yes No Maybe
Twice - Signal
Wonder Girls - Why So Lonely
Fiestar - Mirror
IU - Pallette
Melody Day - Kiss On The Lips
O21 - Show Me ( Disbanded)
Yezi - Cider
1ps - Because I'm Your Girl
Bonus Baby - If I Become An Adult
Myb - My Oh My
Dia - Will You Go Out With Me
Hyomin - Sketch
Jiyeon - Never Ever
Shannon Williams - Why Why
T-ara - Sugar Free
Brown Eye Girls - Brave New World
Laboum - Hwi Hwi
Afterschool - First Love
Lizzy - Not An Easy Girl
Pristin - Wee Woo
Cosmic Girl - Don't You Worry About Me
Mamamoo - Decalmanie
Amber - Borders
BoA - Spring Rain
F(x) - 4 Walls
Girls' Generation - You Think
Hyoyeon - Mystery
Luna - Free Somebody
Red Velvet - Rookie
Seohyun - Don't Say No
S.E.S - Paradise
Taeyeon - Make Me Love You
Tiffany - Just Wanna Dance
Cosmic Girls - Secret
Hyolyn - Blue Moon
Sistar - I Like That
Soyou - Rain
Hyosung - Find Me
Jieun- Bobby Doll
Secret - I'm In Love
Sonamoo - I Think I love You
I - I Wish
Oh My Girl - Coloring Book
2ne1 - Goodbye
Akmu - How People Move
Blackpink - Playing With Fire
Bom - Don't Cry
CL - Hello Bitches
Dara - Kiss
Lee Hi - Hold Your Hand
Ailee - Reminiscing
I.O.I - Very Very Very
Jessi - Don't Male Me Cry