Of course, D minor doesn’t hold the musical monopoly on sadness (nor D# minor, its close sibling). People often connect negative emotions to other minor keys such as A minor, E minor and B minor.

The Toccata and Fugue in D minor has featured in multiple horror movies, both in its organ form, and in other arrangements. The 1931 Dr. Jekyll and Mr. Hyde, a film based on the Robert Louis Stevenson ...

From there it’s an easy skip to D, the root of today’s subject, the “saddest key,” D minor. That the key of D minor is the key of true sorrow is ostensibly inarguable at this point in time.