The Low Anthem began their US spring tour last night with the first of several sold-out shows with Iron and Wine. This weekend, The Low Anthem can also be heard on NPR stations across the country as their recent performance on Mountain Stage premieres; Lucinda Williams is also on the show. The band closed out its European tour at a sold-out show at Queen Elizabeth Hall in London, to which the Guardian and the Independent both gave four stars. You can now watch the video for "Boeing 737" here.

Carolina Chocolate Drops were featured on Wisconsin Public Television's 30-Minute Music Hour last Saturday. You can watch the performance here. The band is launching a worldwide campaign to find the perfect Carolina Chocolate Drops logo to be included in their new summer merchandise. Everyone is encouraged to enter; fans will be able to vote on the top five designs.

k.d. lang and the Siss Boom Bang have moved the celebration of their new album's release to the East Coast, performing "I Confess," the opening track to Sing it Loud, on Good Morning America this morning, which you can watch here, and appearing on The View tomorrow. They perform the entire album at New York's Poisson Rouge tonight. USA Today says "lang ranks among our finest purveyors of dreamy, creamy, country-tinged torch songs, picking up the mantle from Roy Orbison and Peggy Lee with these perfect vehicles for her vibrant voice." KCRW named the album's title track yesterday's Top Tune, saying lang "sounds as strong as ever." The Arts Desk has named Sing it Loud Album of the Day, and MusicOMH gives it four stars.

Emmylou Harris's new album, Hard Bargain, is due out on Nonesuch April 26, less than two weeks away. A deluxe edition includes a DVD featuring six performances interspersed with interviews. The video for "Goodnight Old World," from the deluxe edition of the album, received its exclusive world premiere on CMT this morning. You can watch the video, directed by Jack Spencer, here.

k.d. lang and the Siss Boom Bang's new album, Sing it Loud, is out today. To celebrate, lang and the band performed the album opener "I Confess" on The Tonight Show with Jay Leno last night. Watch the complete episode here. The Los Angeles Times says: "The big, beautiful voice of k.d. lang swoops, purrs and soars through the 10 songs on Sing it Loud.” With her new band, lang "has found her guitar groove again." The Ottawa Citizen calls the album "a torch-and-twangtinged stunner."

The official music video for The Low Anthem's "Boeing 737," off the band's new album, Smart Flesh, has premiered on SPIN. In the video, the band goes "1800s retro," says SPIN's Dan Jackson, "as members of an oddball circus, who battle a group of high-wire walkers. It's totally weird yet totally poignant." The new video was directed by End of the Road Pictures, which created the beautiful animated video for The Low Anthem's "Charlie Darwin." Tickets are now on sale for the band's spring and summer tour.

Chris Thile and Michael Daves's debut album, Sleep with One Eye Open, is a collection of 16 traditional tunes by bluegrass legends like The Monroe Brothers, The Louvin Brothers, Jimmy Martin, and Flatt & Scruggs. The duo recently performed a number of songs from the album at Rockwood Music Hall in New York City, where they kick off their East Coast tour next month. Check out their performance of the title track in a new video posted to Facebook. It's the first in a series of performance videos that will be unveiled in the coming weeks leading up to the album's release.

Nonesuch releases John Adams’s Son of Chamber Symphony / String Quartet on May 31, 2011. Son of Chamber Symphony (2007) is performed by the International Contemporary Ensemble (ICE), led by the composer, and Adams’s String Quartet (2008) is performed by the St. Lawrence String Quartet, the ensemble for which the piece was written. This is the first recording of both works. The album is now available for pre-order in the Nonesuch Store.

The Low Anthem has contributed the latest addition to the A.V. Club's Undercover series: their take on the classic Wilco tune "A Shot in the Arm." Says the A.V. Club: "Though there are plenty of heirs apparent to Wilco's crossover-Americana charm, TLA seem like particularly strong candidates based on an already-impressive discography." The Low Anthem recently performed several songs off their new album, Smart Flesh, at NPR member station WFUV; watch the videos here.

Natalie Merchant and Carolina Chocolate Drops performed at the 45th annual Cambridge Folk Festival in England last summer to great acclaim. The Guardian said "Merchant was on classic form." The Daily Telegraph described the Carolina Chocolate Drops as "Cambridge naturals, playing their banjo and jug-band music with such irrepressible joy you can well imagine they’ve arrived on the main stage direct from last night’s camp fire." Now, a two-hour DVD of the 2010 festival has been released, capturing songs from these performances.

Steve Reich's WTC 9/11 recently received its world premiere in a performance by Kronos Quartet, which will give the West Coast premiere this week in Irvine, California. The Los Angeles Times spoke with the composer about this "signature Reich piece" and with Kronos, "the pied pipers of innovative music," about the collaboration. Kronos will give the NY premiere later this month in an all-Reich program at Carnegie Hall. Kronos and other performers on the concert talk about performing Reich's music in new short videos you can watch here.

Pat Metheny and his Orchestrion were featured on CBS Sunday Morning this past weekend. The guitarist-composer explained the inner workings of the cutting-edge instruments and performance methods he used on his latest Nonesuch album and subsequent world tour. Watch it here. Metheny will lead a five-day workshop this summer in Connecticut with his trio, featuring Christian McBride and Antonio Sanchez, that also includes nightly concerts.