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 ...

Mathematician and early AI theorist David Rothenberg was fascinated by pattern-recognition algorithms. By 1968, he'd already done lots of work in missile trajectories (as one did back then), speech, ...

What is the key ingredient to achieving a great, instantly recognizable guitar tone? This ubiquitous question has enthralled the guitar community for decades, and now blues veteran Sue Foley is ...