Do u know an anime......?

Aikatsu. Definitely Aikatsu.

It's pretty much exactly like Uta no Prince Sama only it's about girls. The teacher and the principal are the same too. Sakura (top center) and Haruka are pretty much the same as well.

Aikatsu also has wonderful songs anyone will enjoy.

CHARACTERS IN THE PIC
From left to right
Kaede
Sakura
Ran
Otome
Ichigo
Aoi

Fullmetal Alchemist/Brotherhood and Vampire Knight have a good soundtrack

Vampire Knight Image With Zero(left), Yuki(center) and Kaname(right)

toi bet I do!

Naruto;
Naruto Shippuden;
Natsume Yuujinchou;
Fullmetal Alchemist;
Death Note;
Blue Exorcist;
Hunter X Hunter;
All Studio Ghibli films;
loup Children;
Mushishi;
Fruits Basket.

There are probably plus I know of, but I've forgotten them.

Cowboy Bebop's musique is amazing, it really makes the animé what it is.
(From left to right): Jet, Edward, Ein, Faye & Spike

K-ON!!