World Cafe on The Gateway KWMU2

Today's Latin Roots co-host, Josh Norek, was given a hefty task: Define the broad swath of Argentine rock with just a few bands. But Norek, co-host of The Latin Alternative, is up to the occasion precisely because he spent time in Buenos Aires as a student during a vibrant period for music.

Soulful singer-songwriter Jessie Ware is far from the first vocalist to make the transition from backing vocals to center stage; Sheryl Crow once backed Michael Jackson, after all. But the Londoner has made the leap with tremendous success in her own right.

Night Beds is the work of Winston Yellen, who originally started making music in his hometown of Colorado Springs. But he traveled to Nashville to write the songs for Night Beds' debut album, Country Sleep, in a pre-Civil War cabin once owned by Johnny Cash.

When Kail Baxley was a kid growing up in Williston, S.C., James Brown used to challenge him to dance-offs. Baxley didn't win so much. He did better as an amateur boxer — his key to getting out of the small town and traveling to Europe and Africa.

The world is catching up with Katie Crutchfield and Waxahatchee, and with good reason. Her shows at SXSW, including an NPR showcase, were greeted rapturously. Her new album, Cerulean Salt, is a sonic leap forward from her debut, American Weekend, which was recorded in a bedroom in Alabama.