Björk performs songs from her new album, Biophilia, on Later ... with Jools Holland, airing Friday night on BBC Two in the UK. She performed the song "Crystalline" on Tuesday night's half-hour preview show; watch the performance here. Among the other guests on this week's shows are Red Hot Chili Peppers, Noel Gallagher's High Flying Birds, and Gillian Welch and Dave Rawlings. Björk will perform at the Lollapalooza festival in Chile next year.

In December 2007, the Nonesuch Store opened online with just a couple of new releases. Now, four years later, the store has grown to include hundreds of new and classic Nonesuch albums. To celebrate this fourth anniversary, all CDs, LPs, and DVDs on the site are now 34% off the standard retail price. That's an extra savings of about 20% off the everyday prices listed here on hundreds of CDs, dozens of recordings on vinyl, and some unforgettable music DVDs.

The video for The Black Keys' "Lonely Boy," off their forthcoming album, El Camino, made a bit of a splash when it was released last month, as you may have seen. It's just the latest in a long line of unforgettable music videos the band has released over the years. Now, "Lonely Boy" and five previous music videos from the band—representing every studio album in the band's Nonesuch catalog—are available to download all in one place as part of The Black Keys Music Video Collection, out now on iTunes.

Composer/pianist Timothy Andres was featured on Q2 Music's Nadia Sirota show today titled "Timothy Andres: Bringing the Virtuoso Composer-Performer Tradition Into the 21st Century." Q2 is celebrating WQXR's "Beethoven Awareness Month" in its own fittingly contemporary way, looking at "modern-day Beethovens ... some of today's most distinct and inventive compositional voices." Today's show includes four pieces from Andres's 2010 Nonesuch debut album, Shy and Mighty, each introduced by the composer.

Ry Cooder's new song about the Occupy Wall Street movement, "Wall Street Part of Town," was recorded last Tuesday and premiered on Pacifica Radio's Jon Wiener show on Wednesday, a fundraiser for the Pacifica Radio Archives' Campus Campaign National Education Project. It also aired on Democracy Now! with Amy Goodman. You can now listen to the song here, download it for free, then help spread the good word. Cooder's latest album, Pull Up Some Dust and Sit Down, was inspired by the inequities that spared the few from the financial crisis while most were left to fend for themselves.

k.d. lang and the Siss Boom Bang close out their three-week tour of Australia—and months-long world tour—at the Brisbane Riverstage tomorrow night. The Age, reviewing one tour stop, says: "lang's voice remains a marvel." While in Sydney for a sold-out, six-night residency, lang and the band took time out for a special invitation-only live performance and audience Q&A that aired on Channel 7's Sunday Night. Fans around the world can now watch online via the show's site.

Philip Glass's Satyagraha at the Met makes its way to movie theaters ... Carolina Chocolate Drops' Dom Flemons joins Pete Seeger in NJ ... Richard Goode plays with Boston Symphony Orchestra ... Wanda Jackson plays the Grand Ole Opry ... Gidon Kremer, Kremerata Baltica tour Germany ... k.d. lang closes out Sydney residency ... Cheikh Lô celebrates James Brown ... The Low Anthem tour Europe ... Jessica Lea Mayfield joins Drive-By Truckers ... Natalie Merchant joins Levon Helm upstate NY ... Pat Metheny Trio tours Spain ... Mandy Patinkin joins Patti LuPone on Broadway ... Punch Brothers tour Midwest with Paul Simon ... Joshua Redman, Brad Mehldau take duo show to Germany ... Allen Toussaint launches Joe's Pub residency in NYC ... Sara Watkins joins Blind Boys of Alabama in their home state ... and more ...

Following yesterday's news that The Black Keys will join Steve Buscemi on Saturday Night Live on December 3 comes word that the band will perform on The Colbert Report on Comedy Central on December 6, the release day for their new record, El Camino, followed by the Late Show with David Letterman on CBS December 7.

Emmylou Harris and Jessica Lea Mayfield are among the artists who will be showcased on the PBS special ACL Presents: Americana Music Festival, along with Robert Plant, Gregg Allman, Alison Krauss, The Avett Brothers, and others, airing on Austin City Limits this Saturday. The hour-long special was filmed live at the Ryman Auditorium on October 13, during the sold-out Americana Music Association's Honors and Award Show. Catch a sneak peek of Mayfield's performance here.

The Black Keys will perform on NBC's Saturday Night Live on December 3, just days before the release of their latest album, El Camino, due out December 6. This is the band's second time this year as musical guests on the show, a "rare distinction," says Rolling Stone, which broke the news in an exclusive this morning. Steve Buscemi will host. The Black Keys will perform at KROQ's Almost Acoustic Christmas extravaganza in LA on December 11; tickets go on sale tomorrow morning.

Nonesuch Records releases Kronos Quartet’s Music of Vladimir Martynov on January 10, 2012. The album includes three works written or rescored for Kronos by the contemporary Russian composer Vladimir Martynov—The Beatitudes, Schubert–Quintet (Unfinished), and Der Abschied—and features a special guest performance from former Kronos cellist Joan Jeanrenaud. Kronos’ artistic director and founder David Harrington says Martynov’s music “straddles various points of musical history and time; the music seems to me to reflect and absorb humanity in such a beautiful way." The album is available for pre-order.

Last week, Björk concluded a nine-show residency in her hometown of Reykjavik, featuring music from her new album, Biophilia. Nonesuch teamed up with Icelandair to send two fans to the closing-night performance. The winners, Justin Allan and Adam Spencer of Seattle, also enjoyed a few welcome surprises along the way. You can read all about it in Justin's words here. "The whole Icelandic adventure was pretty damn amazing, from beginning to end," he says. "Just like magic. It was truly amazing and spectacular, in every sense of the word."