Mr. ERIC CLAPTON (Singer): (Singing) I'm sitting on top of the world.

NPR: Blues Song Is a Decades-Long Music Lesson

In all of its two and a half minutes, "Silver Moon" finds singer Eric Earley guiding the band through a hooky chorus, backed by the infectious sounds of a harmonica.

NPR: Blitzen Trapper Finds a Down-Home Vibe

Throughout his career, the work of singer-songwriter Eric Bachmann hasn't exactly radiated warmth, whether he was unfurling surly screeds as lead singer of Archers of Loaf or re-creating himself as a crooning indie-rock Neil Diamond with Crooked Fingers.

NPR: Touring the World, but Always Lost