Though London's James Blake released his debut just this March, the post-dubstep producer already has the fanbase of a seasoned artist after releasing a series of widely acclaimed EPs and singles.

Today on World Cafe is one of this year's XPoNential artists, the deep-voiced and versatile Joseph Arthur.

Known throughout his beloved South Africa as Le Zoulou Blanc (The White Zulu), Johnny Clegg is a powerful musical and intellectual force who helped end apartheid, as well as spread joy through his music across the world.

The trio of college friends from Murfreesboro, Tennessee first cemented Those Darlins on the porch-sitting, summer air nights when they began writing songs together.

Caitlin Rose has a fresh and gentle face, but her sweet demeanor seems deceiving when you listen to her fearless and energetic Nashville country style.