This list is in no particular order.
TL;DW
Unravel Ling Tosite Sigure - Tokyo Ghoul Opening 1
Kiri by Monoral - Ergo Proxy Opening
Grain by Kuniaki Haishima - Monster Opening
Hey Kids by The Oral Cigarettes - Noragami Opening 2
Fly High by Burnout Syndromes - Haikyuu Opening 4
...
https://www.youtube.com/watch?v=Qe4NKZi2Qw4
It's ehhh...
Sauce
My disappointment is immeasureable.. -- https://www.youtube.com/watch?v=17KmNrG9pE4
It's art -- https://www.youtube.com/watch?v=H2SL83k3IFk
...
https://www.youtube.com/watch?v=jKJwaVVg1rc