Folk music and indie folk have become more mainstream in recent years, to my surprise. The uplifting and soothing vibrations of this clean and global form of music are something we should all have more of in our lives. Two years ago, Lee Leffler (guitars, keyboards, vocals and lyrics), along with Michael Frackleton (drumming and bass), formed the Boston-based band, Dream of a Man...

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....