Brandi Carlile announced a new documentary Wednesday chronicling the band's recent tour done almost entirely without a PA system and the film's trailer serves as the official music video for the single "Wherever Is Your Heart."

When the country/Americana singer took off on her Pin Drop tour last October, she did so without any amplification. Carlile along with long-time writing partners the twins Tim and Phil Hanseroth relied on the projection of their voices, some acoustic guitars and a lot of foot stomping to get their music out to the audience for the first leg of their tour. As the year went on, they plugged in to play songs from the group's 2015 album The Firewatcher's Daughter.

The documentary and music video, which premiered on Rolling Stone Country Wednesday (Aug. 19), show behind the scenes footage of what it was like for this group to go through such an ambitious tour alongside their friends and family.

In recent years, the touring crew has grown substantially despite the drop in electricity as the musicians' families grow. Phil Hanseroth married Carlile's sister some years back making Brandi an aunt and Tim an uncle to the pair's newborn, who joined them on the tour. Because of their closeness in family and professionally, everyone came along for the tour and off the road they all live close by, spending weekends together when they are on break.

That closeness is evident in the video where you can see late night campfires, family diners, morning workouts, general goofing around back stage and Carlile helping take care of her new nephew. "Wherever Is Your Heart" itself was co-written by the Hanseroth twins and Carlile to express that closeness that they all feel, on and off the road.

The group still has a number of tour dates left to play this year through October. Check out the full list of tour dates on Carlile's website. Watch the official music video and documentary trailer below.

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