Severance's Chord Progressions

“The *Severance* theme uses chords from different scales, all based on the note C. Explain how using chords from different scales, but with the same bass note, can contribute to a feeling of mystery or unease in music. The *Severance* theme points out that the *Severance* theme uses a chord progression that includes a dissonant chord (A♭ minor over C). How does dissonance in music generally affect the listener, and how might this be used to create a sense of mystery or suspense?”