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 u have some songs that remind u of any part of the show, please comment! I'm always looking for great songs :)

Songs for the toon (in general):
- Sweet Dreams door Marilyn Manson

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

Songs for Hannigram:
- Firewall door Les Friction...