Drawing from their debut disc, "Absolute Zero, " it displayed four-part vocal harmonies and a knack for arrangement, as guitars chimed under and around the voices.

WSJ: The State of Things | Coachella Valley Music & Arts Festival | Jim Fusilli

Though it has no shortage of devotees, most people are still more comfortable looking at paintings with a subject, just as they prefer novels and plays with complicated plots and four-movement symphonies with familiar harmonies, and my guess is that they probably always will.

WSJ: The Seductive Lure of Abstraction | Sightings by Terry Teachout

According to Refosco, Forro is a happy, danceable music based on four elements: simple melodies, basic harmonies, driving rhythms and funny lyrics.

NPR: Northern Brazilian Tradition, New York Style