This is our second story in our series on the characteristics of musical keys. We started with the “people’s key,” C major. From there it’s an easy skip to D, the root of today’s subject, the “saddest ...

o find a song that matches our mood, in the 21st century, we need only type in how we are feeling or walk into a new room, and a streaming service’s algorithm will grab that data and intuit our needs ...

Only the order of tones and semitones is different. Both keys have the same key signature, shown here:. Because they share the same key signature and the same notes, it is common to modulate or change ...