Guilty Crown opening→ My Dearest by EGOIST
SnK opening 1→ Guren no Yumiya
SnK opening 2→ Jiyuu no Tsubasa
07-Ghost opening→ Aka no Kakera
07-Ghost ending→ Hitomi no Kotae
07-Ghost OST→ Raggs no Chinkoka
Tokyo Ghoul Opening→ Unravel
and so on and so on! Sorry if it's too much