World Cafe on HD-3

The informal nature of The Little Willies speaks to its members' chemistry and love of country-music classics; after all, their moniker is a tribute to country-music legend Willie Nelson.

Eric Bachmann can't seem to stay away from music. The talented singer-songwriter first attracted mainstream and underground attention in the '90s with Archers of Loaf before introducing a new project called Crooked Fingers in 2000.

Novalima began in 2001 when four Peruvian friends, all living in different parts of the world, took to the Internet to exchange ideas. Pulling from rock, pop, salsa, reggae, dance and electronic music, they formed a collective that would soon become known worldwide for its inventive form of Afro-Peruvian roots music. Novalima released its self-titled debut in 2002, and its 2005 follow-up won the Independent Music Award for best album in world fusion.

For more than 20 years, Tori Amos has been one of the most inventive and distinctive singer-songwriters in contemporary music. With eight Grammy nominations and millions of albums sold worldwide, Amos has become a living legend. Her solo career has evolved unpredictably, from acoustic piano to electronica and orchestral styles.

More than 20 years after his hit single, "Wicked Game," appeared in David Lynch's film Wild at Heart, Chris Isaak continues to produce the sort of timelessly yearning music that made him a star. Over the course of his 30-year career, Isaak has composed and crooned his way into the national spotlight with 15 albums and countless TV appearances.

Today, World Cafe kicks off the new series Latin Roots, with Latin music expert Aaron Luis Levinson. Levinson visits host David Dye in WXPN's studios to share his take on all things salsa: the music, the beat and the culture. Levinson, a member of the Latin Academy of Recording Arts & Sciences, is a Grammy-winning producer, musician, composer and owner of Range Recording Studios in Ardmore, Penn.

Canadian singer Kathryn Calder is quickly making her mark in power-pop, both with her contributions to The New Pornographers and with her own masterful solo releases. Calder has matured quickly as a musician, creating a self-described "synth-pop" experience woven together by her unique and charming vocals.

Portland singer-songwriter Laura Veirs has been known to draw inspiration from her immediate family. Early on, memories of summertime camping trips powered her lyrics. More recently, the birth of her son, Tennessee, pushed her to record an album of classic folk songs for children, aptly titled Tumble Bee: Laura Veirs Sings Folk Songs For Children.

World Cafe's 20th-anniversary celebration featured two intimate conversations with Cash. The show includes her emotional, candid response to the loss of her famous father, as well as performances of songs from records she made in his memory.