I've made a playlist of songs that make me think of the show, a particular character, hannigram, etc. Here's what I have so far.
If you have some songs that remind you of any part of the show, please comment! I'm always looking for great songs :)

Songs for the show (in general):
- Sweet Dreams por Marilyn Manson

Songs for Will Graham:
- Monster por Imagine Dragons
- The Bird and the Worm por The Used
- Another amor por Tom Odell
- People are Strange por the Doors
- Leave Out All The Rest por Linkin Park
- Unwell por Matchbox 20
- Dark In My Imagination por of Verona

Songs for Hannigram:
- Firewall por Les Friction
- Beautiful Crime por Tamer
- Dark Paradise por Lana Del Rey
- amor Crime por Siouxsie Sioux and Brian Reitzell
- Torture por Les Friction <3 <3
- Devil on my Shoulder por Billy Talent
- No Light No Light por Florence & the Machine
- Bring Me to Life por Evanescence
- Become the Beast por Karliene
- Lacrymosa por evanescence

Songs for Hannibal:
- cadela, puta Better Have My Money por rihanna (watch the música video, it kinda makes sense ^^)
- Cannibal por Ke$ha
- Get Away With Murder por Jeffree Star