Nearly a decade after folk-rock duo Sarah Lee Guthrie and Johnny Irion put out their first album together, the husband-and-wife pair feel like they’ve finally hit their stride on Wassaic Way, a collection of 11 new songs to be released August 6, 2013 on Rte 8 Records. Produced by Wilco’s Jeff Tweedy and Patrick Sansone at the Loft in Chicago, Wassaic Way finds Guthrie and Irion pushing further beyond the folky sound they established on 2005’s Exploration, their first studio LP. After Irion’s solo album Ex Tempore in 2007, the live album Folksong in 2009 and the children’s collection Go Waggaloo in 2009, the pair began expanding their sonic horizons on 2011’s Bright Examples, an album that drew praise from American Songwriter magazine for its “lush, dreamy sound.”

“This record is a departure from a folk duo,” Irion says. “I think this is the best example we’ve been able to present that shows the many facets of what we can do. There’s loud guitars, there’s soundscapes, there’s a lushness to it, there’s a popness, an edge. But that can be difficult sometimes to bring it all together and present it.” Wassaic Way is also the latest entry in an ongoing creative relationship between the Guthrie family and Wilco. Sarah Lee is the daughter of Arlo Guthrie, and the granddaughter of the iconic folk singer Woody Guthrie, whose unfinished songs Wilco recorded with Billy Bragg on a pair of Mermaid Avenue albums in 1998 and 2000. Wilco also invited Sarah Lee and Johnny to perform at the band’s Solid Sound Festival in 2011, and the duo had toured with the Autumn Defense, Sansone’s project with Wilco bassist John Stirratt.

Although Guthrie and Irion perform as a duo, they rarely write that way. With all the time they spend together on tour, and at home raising their two daughters, writing songs is more of a solitary pursuit for each of them. As studio dates approach, they share what they’ve come up with and offer suggestions and ideas. “Writing is kind of an escape from the work that we do together as a family and on the road,” Irion says. “It definitely echoes exactly who we are,” Guthrie chimes in. “Johnny’s full of melodies and really creative chord structures. He’s constantly working on a song that’s better than the last one. I tend to be a lot simpler, and sometimes songs tend to flow through me, rather than me crafting it as much. I’m a lot lazier than him.” Irion adds, “I end up writing a bunch of songs, and Sarah Lee will write two, and one of them will be the single.” Any of the songs on Wassaic Way could be a single, which speaks to the strength of the songwriting, and also to Guthrie and Irion’s underlying goal: they wanted an album that moves them one step closer to getting at the heart of who they are as writers and performers.