Question: What type of art does Flatland Cavalry and Turnpike Troubadours have in common?

full_context: Document 1: Turnpike Troubadours: Turnpike Troubadours is an American country music group from Oklahoma founded in 2005. They started their own imprint, Bossier City Records, in 2007 and have released four studio albums. Their self-titled 2015 album peaked at number 17 on the "Billboard" 200.
Document 2: The Lumineers: The Lumineers are an American folk rock/Americana band based in Denver, Colorado. The founding members are Wesley Schultz (lead vocals, guitar) and Jeremiah Fraites (drums, percussion). Schultz and Fraites began writing and performing together in Ramsey, New Jersey in 2005. Cellist and vocalist Neyla Pekarek joined the band in 2010. The Lumineers emerged as one of the most popular folk rock/Americana artists during the revival of those genres and their growing popularity in the 2010s. The band's stripped back raw sound draws heavily from artists that influenced Schultz and Fraites such as Bruce Springsteen, Bob Dylan and Tom Petty. They are known for their energetic live shows and several international hit singles including "Ho Hey”, “Stubborn Love”, “Ophelia” and “Cleopatra”. The band has become one of the top touring bands in the U.S. and also sells out shows around the world.
Document 3: Flatland Cavalry: Flatland Cavalry is a country and Americana band from Lubbock, Texas. The band consists of vocalist Cleto Cordero, drummer Jason Albers, bassist Jonathan Saenz, guitarist Reid Dillon, and fiddler Laura Jane. Flatland Cavalry was formed in 2012 by Cordero and Albers, who were college roommates in Midland and performed together before moving to Lubbock, where the rest of the members came together by 2014. In May 2015, the band's debut EP, titled "Come May", was released after a crowd-funding campaign was used to finance its production. On April 1, 2016, their first full-length album, "Humble Folks", was released to positive reviews and comparisons to the music of the Turnpike Troubadours. "Humble Folks" peaked at number 17 on the Billboard Americana/Folk albums chart and number 38 on the Top Country Albums chart.
Document 4: Drive-By Truckers: The Drive-By Truckers are an alternative country/Southern rock band based in Athens, Georgia, though two of five current members (Patterson Hood and Mike Cooley) are originally from The Shoals region of northern Alabama, and the band strongly identifies with Alabama. The band currently consists of Mike Cooley (lead vocals, guitar, banjo), Patterson Hood (lead vocals, guitar), Brad Morgan (drums), Jay Gonzalez (keys, guitar, accordion, backing vocals), and Matt Patton (bass guitar, backing vocals). Like many alternative country acts, the Drive-By Truckers record in analog (using 2 inch, 16-track open-reel tape recorders). The band's constant touring has developed its dedicated following.
Document 5: The Tractors: The Tractors are an American country rock band composed of a loosely associated group of musicians, headed by guitarist Steve Ripley. Under the band's original lineup, The Tractors was signed to Arista Records in 1994, releasing their self-titled debut album that year; the album only produced one Top 40 hit on the "Billboard" country charts. To date, the band has followed up with five more albums.
Document 6: Edward Sharpe and the Magnetic Zeros: Edward Sharpe and the Magnetic Zeros is an American folk rock band formed in Los Angeles, California in 2007. The group is led by lead singer Alex Ebert. The band's name is based on a story Ebert wrote in his youth, about a messianic figure named Edward Sharpe. Drawing from roots rock, folk, gospel, and psychedelic music, the band's image and sound evoke the hippie movement of the 1960s and 1970s. The group's first show was played July 18, 2007 at The Troubadour in West Hollywood, California. Their first studio album, "Up from Below", was released on July 7, 2009 on Community Records and featured the popular single "Home". The group released their second full-length album, "Here", on May 29, 2012, and third album, "Edward Sharpe and the Magnetic Zeros", on July 23, 2013. Their fourth studio album, "PersonA", was released in April 2016.
Document 7: The Lost Trailers: The Lost Trailers are an American country music band. Established in 2000, the band originally comprised Ryder Lee (lead vocals, keyboards), Manny Medina (guitar), Andrew Nielson (bass guitar), Stokes Nielson (vocals, lead guitar), and Jeff Potter (drums). Originally known as Stokes Nielson and The Lost Trailers, the band made its debut at a Fourth of July picnic held by country singer Willie Nelson. That year, The Lost Trailers self-released its debut album "Story of the New Age Cowboy", followed in 2002 by "Trailer Trash", followed by 2004's "Welcome to the Woods" on Universal/Republic. After switching to BNA Records in 2006, the band issued a self-titled effort, which produced the singles "Call Me Crazy" and "Why Me", both of which entered the "Billboard" Hot Country Songs charts. A fifth album, "Holler Back", was released in August 2008, producing a Top Ten country hit in its title track and a Top 20 in "How 'Bout You Don't".
Document 8: The Highwaymen (country supergroup): The Highwaymen was a country music supergroup composed of four of the genre's biggest artists well known for their pioneering influence on the outlaw country subgenre: Johnny Cash, Waylon Jennings, Willie Nelson, and Kris Kristofferson. Active as a group between 1985 and 1995, these four artists recorded three major label albums as The Highwaymen: two on Columbia Records and one for Liberty Records. Their Columbia works produced three chart singles, including the number one "Highwayman" in 1985.
Document 9: The Wayfarers Trio: The Wayfarers Trio were an American folk music group founded by Bill Cheatwood at Oklahoma City University in 1959. They are not to be confused with a similarly-named band called The Wayfarers who had a recording contract with RCA Victor. The Wayfarers Trio first played publicly at The Gourd coffeehouse in Oklahoma City, Oklahoma in 1959, along with Johnny Horton (not the older famous musician with the same name) and Steve Brainard. All five of these men had long careers in music and Williams in particular became a major star and household name. They had a recording contract with Mercury Records which produced a small number of singles and exactly one album, Songs of the Blue & Grey, issued January 1, 1961 to commemorate the 100th anniversary of the beginning of the Civil War.
Document 10: Trace (album): Trace is the first album by Son Volt, released in 1995. The band was formed the previous year by Jay Farrar after the breakup of the influential alt-country band Uncle Tupelo. The album reached #166 on the "Billboard" 200 album chart and received extremely favorable reviews. According to Allmusic, "Throughout Son Volt's debut, "Trace", the group reworks classic honky tonk and rock & roll, adding a desperate, determined edge to their performances. Even when they rock out, there is a palpable sense of melancholy to Farrar's voice, which lends a poignancy to the music." The album was in the top 10 of "Rolling Stone"<nowiki>'s</nowiki> 1995 critics' list.
Document 11: Toadies: Toadies are an American rock band from Fort Worth, Texas, best known for the song "Possum Kingdom." The band's classic lineup consisted of Vaden Todd Lewis on vocals/guitar, Mark Reznicek on drums, Lisa Umbarger on bass, and Darrel Herbert on guitar. It formed in 1989 and disbanded in 2001 after Umbarger left the group. The band reformed and released an album, "No Deliverance" in 2008. In 2010, they re-released the album "Feeler" with Kirtland Records (the album's original release had been denied by Interscope in 1997). The band's most recent album, "The Lower Side of Uptown", was released in September 2017.
Document 12: Ryan Shupe &amp; the RubberBand: Ryan Shupe & the RubberBand is an American Rock / Bluegrass group founded in the mid-1990s in Ogden, UT. The band's current lineup comprises Ryan Shupe (fiddle, guitar, ukulele, mandolin, lead vocals), Roger Archibald (guitar, vocals), Craig Miner (banjo, bouzouki, mandolin, guitar, vocals), Josh Larsen (bass guitar, string bass, vocals), and Nate Young (drums, vocals). After recording four studio albums on their own independent record label, Ryan Shupe & The RubberBand were signed to Capitol Records in 2005. Their first album for Capitol, 2005's "Dream Big", produced a Top 40 hit on the U.S. "Billboard" Hot Country Songs charts in its title track. The second single from the album, however, failed to chart, and the band was dropped from Capitol. In 2008, the band signed to Montage Music Group and released the album Last Man Standing. After this, the band continued to tour nationally and promote their unique brand of music. In 2010, the band released the album "Brand New Shoes" on their own independent label. This album has many crowd favorites and highlights the cross-genre, acousti-jam sound they have become known for. The band is currently promoting their new album "We Rode On" which leans more into the Rock side of their musical arsenal and have released three videos to promote the upcoming release. These videos are for the songs The Sun Will Shine Again, We Rode On, and Just Say Yes.
Document 13: Randy Rogers Band: Randy Rogers Band is a country music group from the state of Texas. The band is composed of Randy Rogers (lead vocals), Geoffrey Hill (guitar), Jon Richardson (bass guitar), Brady Black (fiddle), and Les Lawless (drums). They have recorded seven studio albums and two live albums, and have charted seven singles on the "Billboard" Hot Country Songs charts.
Document 14: The Milk Carton Kids: The Milk Carton Kids are an American indie folk duo from Eagle Rock, California, United States, consisting of singers and guitarists Kenneth Pattengale and Joey Ryan, who formed the group in early 2011. The Grammy-nominated, flat-picking harmony duo have since emerged as a powerful voice defining the continuing folk tradition whose virtuosity defines The Milk Carton Kids to the delight of both traditionalists and newcomers to the folk movement alike. NPR has described their approach to music as "gorgeous contemporary folk" and "Gillian Welch & David Rawlings-meets-Simon & Garfunkel with a splash of The Everly Brothers", which fairly represents the band's music while also appealing to the intended audience. The band has recorded and released four albums: "Retrospect", "Prologue", "The Ash & Clay" and "Monterey". The forewords to both "Prologue" and "The Ash & Clay" were written by singer-songwriter and producer Joe Henry. The band is noted for releasing their first two albums for free and for playing their vintage guitars; Ryan playing a 1951 Gibson J-45 and Pattengale a 1954 Martin 0-15.
Document 15: The Belleville Outfit: The Belleville Outfit was a cross-genre American folk band based out of Austin, Texas. Their sound has been described as "a mix of gypsy swing, big band jazz and cross-genre Americana music". In April 2007, after three days of practice, they performed their first gig at MerleFest in North Wilkesboro, North Carolina. Members Rob Teter and Marshall Hood are from Spartanburg, South Carolina. Additional band members were recruited through connections Rob had made while studying music business at Loyola University New Orleans of New Orleans, Louisiana. Fellow students Jonathan Konya and Connor Forsyth left New Orleans for Austin to join the band that was to become The Belleville Outfit. Marshall Hood invited Austin’s darling Phoebe Hunt, who had been playing with the folk band The Hudsons out of Austin for four years. When the original bassist Jeff Brown retired from the Belleville Outfit to pursue a career riding sharks in the pacific, Forsyth brought in Nigel Frye, a talented bassist he knew from Tulsa, Oklahoma who had previously quit music all together, and was living out his life as a meat inspector.
ground_truth: music