Emmylou Harris and Shawn Colvin are on the road again with Patty Griffin and Buddy Miller for a return to their always crowd-pleasing Three Girls and Their Buddy tour. This weekend sees three performances from the group: tonight at the House of Blues in Atlantic City; Saturday at the Ferguson Center for the Arts in Newport News, Virginia; and Sunday at Wolf Trap in Vienna, Virginia. The tour continues through June and into July, at which point Colvin celebrates the June 23 Nonesuch release of her new Live album, headlining a few dates of her own and joining Jackson Browne for a couple of stops on his tour.

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On Sunday afternoon, Bill Frisell joins Bang on a Can in New York City for the group's free marathon of music at the World Financial Center's Winter Garden. The annual event, which Bang on a Can describes as an "incomparable eclectic super-mix of genre defying music" unites musicians and composers from around the world for "12 hours of uninterrupted live ear-bending border-crossing music from around the corner and around the globe." The marathon gets under way at noon on Sunday. Frisell is slated to give a solo performance second in the 2 PM hour and joins the ensemble in the 4 PM slot for the world premiere of a new piece by the guitarist. For a complete schedule of events, visit bangonacan.org.

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Youssou N'Dour closes the Africa Vive festival, which has been held in venues throughout Spain this past month, in a concert at the Auditorio de Tenerife in the Canary Islands. He had previously headlined a day-long event last weekend in Seville in celebration of Africa Day, for which he was joined by the likes of Rokia Traoré and renowned percussionist Tony Allen, among many others. These events coincide with the Territorios Sevilla festival, which Wilco headlines tonight. As Billboard reports, N'Dour stated: "It is really gratifying that African music is reaching Seville and the Spanish public at last."

Youssou comes to the States next weekend for the Brooklyn Academy of Music's Muslim Voices festival, where he will perform with his Super Étoile band and screen the film I Bring What I Love, which documents the making of his Grammy-winning album Egypt.

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Punch Brothers are in Lexington, Virginia, on Saturday to perform at the Theatre at Lime Kiln. It follows a performance last night at the famed Spoleto Festival in Charleston, South Carolina. The Charleston City Paper profiles the group and its Nonesuch debut, Punch, and writes that from the album's start, "the band quickly shows off the magic possible when five musicians go exploring together."

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Joshua Redman and his Trio, featuring Reuben Rogers on bass and Greg Hutchinson on drums, are at the Rialto Theatre in Tacoma, Washington, Saturday night. Next up for the group: a night at Sherover Auditorium in Jerusalem this Wednesday.

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Rokia Traoré performs at London's Barbican Hall tonight in a sold-out concert as part of the venue's Spring Contemporary Events and World & Roots series. Also performing on laptops, "tinkering somewhere between the earthy and the ethereal," according to the Barbican, is the group Sweet Billy Pilgrim.

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Allen Toussaint concludes a week of dates in Japan this weekend with two nights at the Billboard Live Tokyo club, tonight and tomorrow night. His next scheduled performances are at the Bonnaroo Festival in Manchester, Tennessee, two weeks from now.

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Wilco continues its 10-day Iberian tour with a performance at La Cartuja in Seville tonight, part of Territorios Sevilla 2009, the 12th International People's Music Festival there. Also playing tonight are The Jayhawks and Akron/Family, the latter of which performed two sold-out shows with Wilco earlier this week. On Saturday, it's off to Portugal for a gig at Teatro Circo in Braga and, on Sunday, the Lisbon Coliseu. Wilco returns to Spain next week to conclude this leg of the tour, before heading back to the States for a nationwide tour beginning June 12 in Cincinnati.