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...

Adriana Spuria’s new single, “Stone,” presents itself with the polished feel of a perfect skipping-stone, but listening closely reveals it has the curious weight of a fossil in your palm. Spuria sings of a very specific, modern affliction: the slow petrification of the heart. This is a loneliness born not from solitude, but from an inability to feel for anyone else, an insulation that...