Ringing used in the intro: https://www.youtube.com/watch?v=J24PETNpak8
Static sound effect 1: https://www.youtube.com/watch?v=cptiIDohFZc
Static sound effect 2: https://www.youtube.com/watch?v=pbz1ajkwCDI
Static sound effect 3: https://www.youtube.com/watch?v=xqRLhDPcKus
Static sound effect 4: https://www.youtube.com/watch?v=7rVt2b80L-A
Gunshot sound effect 1: https://www.youtube.com/watch?v=fAOvDgt_PgY
Gunshot sound effect 2: https://www.youtube.com/watch?v=cPNE4G3skpA
