The Volunteers are heading out on a North American tour this summer, and the Korean alt-rock band continues its mission to put out music that does some good in the world. Known for their energetic and exciting live performances and emotionally raw lyrics, the band is set to put on one heck of a show. There's no fanbase more dedicated than those of Korean music, so make sure you get your tickets before they sell out!

Esperanza Spalding is in the midst of a huge career evolution. Having emerged in the early 2000s as the anointed savior of modern jazz (who beat out Justin Bieber to a Best New Artists Grammy), she's dispatched with her traditional arrangements as she creates her work. Fans can expect an eclectic mix of music, narrative and performance art, which really delves into healing and giving the audience member or listener and truly tingling sensation.

There are ukulele players...and then there's Jake Shimabukuro. Declared a "hero" by Rolling Stone, the Hawaiian born musician has taken the humble instrument to new levels, blending bluegrass, flamenco and classical techniques in a lightning-quick flurry of fingerpicking.

Canadian guitarist, producer and nuevo flamenco star Cook turns his lighting quick fingers to flamenco, rumba, jazz plus various other forms of world music into his work. A Juno Award winner, he has also received accolades from Acoustic Guitar magazine, and is a three-time winner of the Canadian Smooth Jazz award for Guitarist of the Year. To top that off, he has also sold more than 1.5 million worldwide, cementing himself as a global guitar superstar.