I have a lot so I will just list them.
- Both Noragami Openings
- Higurashi no Naku Koro Ni Opening
- HOTD Opening
- Fullmetal Alchemist Brotherhood First Opening
- Parasyte Opening
- The entire Fate/Stay Night Unlimited Blade Works OST
- Akame Ga Kill Second Opening
- Both Openings From Durarara season 1
- Log Horizon Opening
- No Game No Life Opening
- Haikyuu! First Opening
- Both Openings from Assassination Classroom Season 1
- Tokyo Ghoul Season 1 Opening
- Gekkan Shoujou Nozaki-Kun Opening
- Jojo Bizarre Adventure First Opening
- Deadman Wonderland Opening
- Overlord Opening
- One Punch Man Opening
- Mirai Nikki Opening
* I know these are mostly openings but these are the songs that really stand out too me when I watch an anime.
Tbh right now am obsessed with ---erased
(Though am a Free! Fanatic so that'll have to tie with erased)
-FMA:Brotherhood
-Your lie in April
-Tokyo Ghoul
-Aldnoah.Zero
-Bleach
-Haikyū!!
(Manga series, Though the anime not that bad)
-Attack on Titans
Hmm that looks like a sufficient amount.