Jessica Lea Mayfield performs at the historic Ryman Auditorium in Nashville tonight for the Americana Music Association's 10th Annual Honors and Awards. She has been nominated for the award for New/Emerging Artist of the Year. The ceremony also includes live performances by this year's Lifetime Achievement Award recipients Lucinda Williams, Jerry Douglas, and Gregg Allman. The show will be webcast live at npr.org and broadcast in an edited version on PBS's Austin City Limits in November.

Jessica Lea Mayfield is among the artists featured on the new mix streaming from NPR Music and Folk Alley celebrating the recipients and nominees of the Americana Music Association's 10th Annual Honors and Awards. Mayfield has been nominated for the 2011 Americana Music Award for New/Emerging Artist of the Year. NPR Music will webcast live from the awards ceremony at Nashville's Ryman Auditorium next Thursday, and Austin City Limits will air an edited version of the show on PBS in November.

Fatoumata Diawara, whose debut EP, Kanou, was released in North America this week, was a guest on Later ... with Jools Holland on BBC Two in the UK. On Tuesday's half-hour show, she performed her song "Clandestin," another live version of which is featured on the EP. You can watch the Later performance here. Fans in the UK can see Diawara perform again on this week's hour-long Later show Friday night.

Randy Newman is set to take the stage in Austin's Zilker Park as a headliner at the Austin City Limits Music Festival this weekend. The Austin American-Statesman calls him "a friend to anyone who appreciates impeccably crafted songs." Newman will stay in town for another day to record his performance on PBS's Austin City Limits, which will air for the show's full hour on Saturday, November 12.

Randy Newman will perform before a live studio studio audience at the new ACL Live at The Moody Theater in Austin, Texas, on September 19, recorded for future broadcast on PBS's Austin City Limits upcoming season. The show is giving away a limited number of passes to the taping. Enter to win by this Monday, September 12. Those chosen will receive an e-mail notification from the show with details about the taping and how to get their passes.

Emmylou Harris was the musical guest on Late Night with Jimmy Fallon last night on NBC. She and her band performed a rocking rendition of "New Orleans," off her new album, Hard Bargain. Prefix calls it "an upbeat country-rock track that’s well suited to Harris’ vocal style, which has retained the edge she’s possessed since emerging onto the music scene in the early 1970s." Harris also gave a web-exclusive performance of the album track "Darlin' Kate." Watch both performances here.

Emmylou Harris is the musical guest on tonight's Late Night with Jimmy Fallon. Tune in to see Harris and her band perform "New Orleans," off her new album, Hard Bargain. Harris performed in NY's Central Park on a double bill with the legendary Levon Helm last night and joined in on the finale: The Band's "The Weight." She recently spoke with the A.V. Club, which says: "Her voice has a mournful quality that reaches back before the West was won, a sound that’s come to the fore over the last couple of decades as she’s definitively departed from the land of fiddles and pedal steel."

Emmylou Harris brings her North American summer tour to NYC for a special performance, in which she joins the Levon Helm Band for a concert in Central Park to benefit SummerStage. She performs on Late Night with Jimmy Fallon Tuesday night. "The Road," the opening track on her new album, Hard Bargain, is the Free MP3 of the Day today at MP3.com. The New York Times, recommending tonight's show, calls Harris "the reigning queen of smart, fluent Americana."

Randy Newman will perform at the new ACL Live at Austin's Moody Theater on September 19; the show will be recorded for future broadcast on PBS's Austin City Limits, launching its 37th season this fall. American Songwriter gives his new album four-and-a-half stars. "You can hardly make a better case that songs can be the equal of any art form than the classics on display in The Randy Newman Songbook Vol. 2. The album is essential listening for those who care about American music (not just the popular variety)." The Los Angeles Times says that, "like a Picasso line drawing, he can convey mountains of emotion with the simplest of notes, chords and melodic lines ... In committing the bare bones versions to disc, he's preserved them for the ages, which is where they belong."

Shawn Colvin, who is currently on tour, recently appeared on an episode of HBO's Treme. On the show, from David Simon, creator of The Wire, Colvin performs her song "I'm Gone," off her 2006 Nonesuch debut album, These Four Walls, with violinist Lucia Micarelli, who plays Annie on the series. You can watch some of their performance and see Colvin and Micarelli discuss how it all fits into the series in a video here.

The Metropolitan Opera's premiere production of John Adams's Nixon in China, conducted by the composer and staged by director Peter Sellars in their Met debuts, airs on PBS tonight at 9 PM ET, as part of THIRTEEN's Great Performances at the Met series. To coincide with the Met premiere of Nixon in China, Nonesuch Records reissued the Grammy-winning original cast recording in a newly redesigned three-CD set, available now.

Audra McDonald helped Carnegie Hall celebrate its 120th birthday as part of an all-star gala benefit concert with the New York Philharmonic earlier this month. McDonald performs songs by Duke Ellington; also on the program are works by Beethoven, Dvořák, and Gershwin. The Carnegie Hall 120th Anniversary Gala Concert will be broadcast on PBS tonight as part of WNET’s Great Performances. New York classical radio station 105.9 FM WQXR will also broadcast the concert.