Alarm Will Sound, which released its Nonesuch debut album, a/rhythmia, last September, makes its London debut at Wilton's Music Hall tonight, performing works by Aphex Twin, Autechre, and the Beatles. The ensemble joins Dirty Projectors to perform the latter group's Getty Address at the Barbican tomorrow. The events are part of the Barbican's London Blaze festival, which also includes performances by Caetano Veloso, Youssou N'Dour, Kronos Quartet, and Philip Glass.

Orquesta Buena Vista Social Club, featuring Omara Portuondo, was due to kick off a three-city US tour in Brooklyn's Prospect Park tonight. Unfortunately, the performance has been canceled due to visa delays. Instead, a special outdoor screening of Wim Wenders’ classic documentary Buena Vista Social Club will take place. The remainder of the tour, at Ravinia and the Hollywood Bowl, will take place as planned this weekend.

Punch Brothers are back in their adopted hometown of New York City, where they first crafted the songs on their new album, Antifogmatic, for a show at the Music Hall of Williamsburg in Brooklyn. There's much to celebrate: the album debuted at No. 1 on Billboard's Heatseekers Chart of new artists. The band will discuss and perform songs from Antifogmatic on WNYC's Soundcheck this afternoon.

Laurie Anderson's long-awaited new album, Homeland, her first studio record in nearly a decade, is out now. Canada's Globe and Mail gives the album four stars, saying it is "blessed with some of the most vivid soundscapes of her career ... [T]he wealth of acoustic detail ensures that there’s something new to discover with each re-hearing." Fenway Bergamot, Anderson's male alter ego, delivers his fifth and final video in the series at nonesuch.com/media.

With the year at its halfway point, NPR's jazz sampler, Take Five, has picked its choices for the Best New Jazz of 2010 (So Far). Two of the five come from Nonesuch: Orchestrion, on which Pat Metheny "makes every instrument an extension of his guitar skills, technical knowledge and sheer artistic willpower," and Highway Rider, on which Brad Mehldau "shows how much he's grown as a composer, and not just a renowned pianist."

Composer Timothy Andres has been nominated for Project 440, a new commissioning program from Orpheus Chamber Orchestra and New York radio station WQXR that will culminate in the commissioning of four new works, to be premiered as part of the orchestra's 2011-2012 Carnegie Hall season. Comments from the public, via WQXR's website, will be a guiding factor in determining the final four composers to receive commissions.

Tony Allen has concluded his North American tour with music from his latest album, Secret Agent. The album is featured on NPR's Fresh Air and Afrobeat, which continues to thrive after all these years. "The prime living player to thank for this is Allen, who has keeping up the good work all along," says Fresh Air. "His newest solo album is called Secret Agent, and it sounds like the most fully rounded version of Tony Allen Afrobeat he's ever made."

Laurie Anderson's latest album, Homeland, is out tomorrow. Pitchfork rates the album 8.3, calling it "an exquisite state-of-the-union dispatch as only Anderson, America's darkly comic conscience, can provide ... The music is spacious, mercurial, and thoroughly conceived." The Baltimore Sun , LA Times, and the Independent (UK) give it four stars. Australia's Courier-Mail calls it "some of the most striking music of Anderson's career." MusicOMH gives the album a perfect five stars, exclaiming, "what a work of art it is."

Following a weekend at the Telluride Bluegrass Festival, Punch Brothers return to their adopted home of New York City to perform songs from their new album, Antifogmatic, in Brooklyn on Wednesday. The Wall Street Journal talks with the band about New York's influence on the album, which the Journal says "brims with color, wit, flash and tenderness, all conveyed with remarkable musicianship and high spirits." You can watch Punch Brothers perform "This Is the Song" in New York, off the deluxe edition of Antifogmatic, at nonesuch.com/media.

I Am Love, the new film from director Luca Guadagnino, starring Tilda Swinton and featuring the music of John Adams, has opened in New York and Los Angeles. Guadagnino tells the Los Angeles Times: "His music was so powerful and many scenes were written with it in mind." Adams spoke with the Washington Post, which calls the composer "one this country's most distinguished and most talented artists," his music "beautifully crafted, endlessly engaging and has won over audiences throughout the world."

In 1996, a group of Mali's finest musicians were due to fly into Havana for a speculative collaboration with some of Cuba's most brilliant singers and instrumentalists. For reasons that have never been made clear, the Malians never arrived. A very different album was recorded: Buena Vista Social Club. Now, World Circuit Records' Nick Gold, the man behind the 1996 venture, has brought the original invitees together and the great lost Afro-Cuban album will be released 14 years after originally planned.

Punch Brothers follow Tonight Show appearance with return to Telluride ... I Am Love, with music by John Adams, opens ... Tony Allen heads West ... Laurie Anderson, Lou Reed lead the Mermaid Parade ... David Byrne talks bikes in Chicago ... Carolina Chocolate Drops head from Texas to Telluride ... Shawn Colvin, Sara Watkins play Clearwater Fest ... Bill Frisell, Brad Mehldau duo in Germany ... Youssou N’Dour's Paris Grand Ball turns ten ... Joshua Redman's James Farm plays Seattle ... Catherine Zeta-Jones, Angela Lansbury give final performances in A Little Night Music ... and more ...