Audra McDonald helped ring in the holiday season by joining Stephen Colbert to sing “Baby It’s Cold Outside” on The Colbert Report last night. Watch the performance here. As the recently named official host of the PBS series Live From Lincoln Center, McDonald will host seven broadcasts through spring 2013, starting with “The Richard Tucker Opera Gala” this Thursday, December 13, and including the New York Philharmonic’s New Year’s Eve Gala, “One Singular Sensation: Celebrating Marvin Hamlisch,” on Monday, December 31, in which she will also perform.

Nataly Dawn has premiered her video for the song “Please Don’t Scream.” Watch it here. The track is from her forthcoming full-length Nonesuch Records debut album, How I Knew Her, out on February 12, 2013. Exclusive How I Knew Her pre-order bundles include the album on vinyl or CD, an instant download of the song “Please Don’t Scream,” access to an exclusive online show, and an autographed print. Also available is the iTunes-exclusive Please Don’t Scream EP featuring the title track, “Leslie,” and “Araceli.”

Punch Brothers made their debut on the Conan show last night, performing "Movement and Location," off their latest album, Who's Feeling Young Now?. Watch the performance here. The band is currently out West for their US fall tour, performing at the Lobero Theatre in Santa Barbara tonight, followed by shows in Phoenix, Salt Lake City, Aspen, Boulder, Kansas City, Minneapolis, and Chicago. Punch Brothers close out the year with a three-night run at New York's Bowery Ballroom December 29–31.

The Metropolitan Opera’s performance of John Adams’ Nixon in China, with the composer conducting, is now available on Blu-ray and DVD together in one package from Nonesuch Records. The Met’s production, staged by Adams’ longtime collaborator Peter Sellars, stars James Maddalena as Richard Nixon. Nixon in China was recorded and broadcast live in movie theaters around the world as a part of The Met: Live in HD on February 12, 2011—10 days after the opera received its Met premiere.The San Jose Mercury News features the Blu-ray/DVD in its holiday Gift Guide, calling Adams' score "multigeared and multicolored, transforming like a kaleidoscopic engine."

Lianne La Havas brings her brief US tour to a close this weekend with sold-out shows at the Roxy in LA and Rickshaw Stop in San Francisco. La Havas stops by KCRW in LA today for an appearance on Morning Becomes Eclectic, which calls her "a stunning newcomer with a soulful voice and incredible depth and range." The Los Angeles Times says her debut album, Is Your Love Big Enough?, is "brimming with understated production, poetic lyrics and La Havas’ guitar-driven blend of soul, folk and jazz." Watch her performance on Conan from earlier this week here.

Punch Brothers—whose new five-song EP, Ahoy!, was released on Nonesuch Records earlier this week—recently stopped by the CMT studio to perform a five-song set for Live @ CMT. The set features songs from the band's latest album, Who's Feeling Young Now?—"Flippen," "Movement and Location," and "This Girl"—and two off their previous album, Antifogmatic—"Next to the Trash" and "Rye Whiskey." Watch the complete set here

Sara Watkins brings her US tour as special guest of Jackson Browne to a close this weekend. Before then, they give an intimate acoustic performance at the historic Paramount Theater in Denver tonight, which will be broadcast live at 10 PM ET on AXS TV. Watch a preview of the event here. Watkins launches a seven-city West Coast headline tour with Aoife O'Donovan in December and heads to the UK and Ireland in January.

Björk’s music video for “Mutual Core,” from her album Biophilia, directed by LA filmmaker Andrew Thomas Huang, premiered today on MOCAtv, a new online contemporary art video channel from The Museum of Contemporary Art, Los Angeles (MOCA). The Guardian describes "Mutual Core" as “the world’s first song about tectonic plates set to a ravey mesh of bleeps and whooshes.” Watch the video here.

Lianne La Havas made her debut appearance on the Late Show with David Letterman last night. She was joined by her band to perform the title track to her debut album, Is Your Love Big Enough?. Watch it here. La Havas performs the first of three headlining US shows at The Birchmere in Alexandria this Sunday, followed by sold-out sets in LA and San Francisco next weekend. La Havas appears for the first time on Conan this Wednesday, November 14.

Punch Brothers make their Austin City Limits (ACL) debut when the band's performance, recorded earlier this year, premieres on PBS this Saturday, November 3; also on the episode will be a set from The Civil Wars. Though Chris Thile has appeared on ACL three times—twice with his former band Nickel Creek and once in Dolly Parton’s backup band—this will be Punch Brothers' first time on the show. Watch the band's ACL performance of "Movement and Location" here. Punch Brothers are currently on tour in Europe.

When Lianne La Havas was in NYC last month to celebrate the release of her debut album, Is Your Love Big Enough?, she stopped by WFUV to record an episode of Words and Music, out now. La Havas talks with WFUV's Alisa Ali about her life in music and to perform three songs off the album. Watch the performances and listen to the complete episode here. Lianne La Havas is up for the Mercury Prize this week and returns to the US next week to perform on the Late Show with David Letterman and Conan and in headline shows in the Washington, DC–area, Los Angeles, and San Francisco.

Lianne La Havas celebrated the release of her debut album, Is Your Love Big Enough?, with a sold-out show at NYC's Bowery Ballroom last month. Her performance of the song "Gone" there has now premiered on RollingStone.com as part of her Band to Watch profile. Watch it here. La Havas returns to the US in November to perform three headline shows and make her debuts on the Late Show with David Letterman and Conan.