What instruments are used in the song demons?

* Guitar: The main instrument in "Demons" is the guitar, which provides the song's signature riff and chords.

* Bass: The bass guitar provides the low end and rhythm for the song.

* Drums: The drums provide the heartbeat of the song, with a steady beat and occasional fills.

* Synthesizer: The synthesizer adds texture and atmosphere to the song, with a variety of sounds and effects.

* Vocals: The vocals are the most important part of the song, with the singer expressing the emotions of the lyrics.