Try watching SAO.

Yuri!!! on Ice

If you like romance and music then I would recommend your lie in April, it’s great but I wouldn’t be surprised if you have already seen it

Well I’ll just list some from those genres that I think are good:

Music

Sounds of Life (Kono Oto Tomare!)

K-On

Hibike! Euphonium

Nodame Cantabile

Anonymous Noise

Action

Darker than Black

Seraph of the End

Chivalry of a Failed Knight

The Irregular at Magic Highschool

The Saga of Tanya the Evil

Full Metal Alchemist Brotherhood

Romance

Hyouka

Kokoro Connect

Gosick

Kimi ni todoke

Oregairu: My Youth Romantic Comedy Is Wrong, As I Expected

YOUR LIE IN APRILLLLLLLL!!!!!

Darling In The FranXX! It has awesome action, tear jerking romance, and the music is insanely good!

Angel Beats :)