Boy bands/solo males:
Tasty (duo, twins, from the same company as Infinite)
cross gene (shin from cross gene looks like L/ Myungsoo from Infinite)
led apple
jyj (formed after the heartbreaking split between DBSK)
touch
myname
god (disband)
hot (disband)--if you like them then watch 1997 reply-it's pretty good!
fix
Nu'est (personal favorite)
M.I.B
Dalmatian
wheesung (solo)
Vixx ( Vixx member N looks like a member from Boyfriend)
a-jax
ze:a
BTOB
Heo Young Saeng (solo, he will captivate you right away, love him and he needs more recognition)
SS501 (disband)
Kim Hyun Joong ( solo now but former member of SS501, was in BOF)
ulalasession ( sooo good!)
leeSSang (duo, very funny)
Psy ( he has more than one song and i like his other songs more than Gangnam style)
Electroboyz (duo)
Young Gun (solo)
taken
supernova
Speed (sub unit of co-ed school)
2pm
2am
Mixed groups:
WE (co-ed group, one member looks like G-dragon- big bang and Dongwoo- infinite combine)
Co-ed school (co-ed group, one member is the oled brother of Block B Zico)
girl bands/ solo females:
Ailee
wonder girls
she'z
hello venus
sistar19 (sub unit of sistar)
secret
kara
t-ara (they have had a big controversy, but honestly i like their music and still listen to them)
G.na (solo)
2BiC
lena park (solo)
Gavy NJ
Elizabeth (duo)
G.E.M
Stellar
swincle
lee hyo ri (solo)
5dolls
Boa (solo)
Orange Caramel (sub unit of after school)
Kan Mi Youn (solo)
Gang Kiz
FIESTAR
IU (solo)
Tiny-G
Glam
To The Beautiful You OST list:
Closer- Taeyeon
It`s Me- Sunny and Luna
In Your Eyes-Onew
Maybe We- Dana The Grace
SKY-Super Junior K.R.Y.
Stand Up- J-Min (my personal favorite)
Butterfly- Jessica and Krystal
Hope this helps!!!!
-sorry if i repeated any you said above...you know a ton of bands!! :)