Jon Gold’s new single, "Lullaby for a Dream," is an act of gorgeous disorientation. You see the name—a pianist rooted in the intricate soils of jazz—and you prepare for one thing, but what arrives is a mist-laden skiff drifting from an entirely different shore. Gold, a Delaware musician, has composed a piece of British-Gaelic folk, and the cognitive dissonance is half the immediate magic....

A lot of musicians, mostly rappers, appear all the time, and I can confidently say that not all of them have Trady's level of elegance. Trady is a rapper from the United Kingdom, specifically Billingham. His lyrical style reminds me of the early days of Eminem, the great slim shady. It's no surprise that he cited Eminem as an influence, along with Joyner Lucas...