Question: Are Squirrel Nut Zippers and Kongos both rock bands?

full_context: Document 1: Dave Matthews Band: Dave Matthews Band, also known by the initialism DMB, is an American rock band that was formed in Charlottesville, Virginia in 1991. The founding members were singer-songwriter and guitarist Dave Matthews, bassist Stefan Lessard, drummer and backing vocalist Carter Beauford, and saxophonist LeRoi Moore. Boyd Tinsley joined the band as a violinist soon after the band was formed. Moore died suddenly in August 2008 due to complications from injuries sustained in an ATV accident. Grammy Award winner Jeff Coffin (of Béla Fleck and the Flecktones) has since filled Moore's spot as the band's saxophonist; trumpeter Rashawn Ross and guitarist Tim Reynolds have also become full-time members of the band. Other past members include keyboardists Peter Griesar and Butch Taylor. The group's 2009 album "Big Whiskey & the GrooGrux King", their first after Moore's death, debuted at number one on the "Billboard" 200, earning them their fifth consecutive number-one debut; their most recent album, 2012's "Away from the World", debuted at number one on the Billboard chart, making Dave Matthews Band the first group to have six consecutive studio albums debut in the top spot (Metallica would be the second to do so in 2016). As of 2010, the Dave Matthews Band has sold over 50 million records worldwide.
Document 2: Jimbo Mathus: James H. Mathis, Jr. (born August 1967), known as Jimbo Mathus, is an American singer-songwriter and guitarist, best known for his work with the swing revival band Squirrel Nut Zippers.
Document 3: Kongos (band): Kongos (often styled as KONGOS) is a South African alternative rock band consisting of four brothers: Johnny (accordion, keyboards, vocals), Jesse (drums, percussion, vocals), Daniel (guitar, vocals), and Dylan Kongos (bass guitar, lap slide guitar, vocals).
Document 4: Soulive: Soulive is a funk/jazz trio that originated in Woodstock, New York, and is known for its solos and catchy, upbeat songs. The band consists of Eric Krasno (guitar), Alan Evans (drums) and Neal Evans (Hammond B3 organ, bass keys, clavinet). Although they originated as a trio, the band has worked extensively with different horn sections, which have included Sam Kininger (saxophone) from 2000 to 2003, Rashawn Ross (trumpet), and Ryan Zoidis (saxophone) from 2003 to 2006. The band also worked with vocalist Toussaint Yeshua from 2006 to 2007. Soulive is currently touring in the original trio lineup of Eric Krasno, Alan Evans, and Neal Evans.
Document 5: Squirrel Nut Zippers: The Squirrel Nut Zippers is an American swing band formed in 1993 in Chapel Hill, North Carolina, by James "Jimbo" Mathus (vocals and guitar), Tom Maxwell (vocals and guitar), Katharine Whalen (vocals, banjo, ukulele), Chris Phillips (drums), Don Raleigh (bass guitar), and Ken Mosher.
Document 6: The Good Hope Concerts: The Good Hope Concerts is a live album from Juluka, a South African band led by Johnny Clegg and Sipho Mchunu. It was first released in 1986. It was recorded at the Good Hope Centre in Cape Town. The concerts were Clegg's first major successes in Cape Town and were promoted by local record label Mountain Records.
Document 7: Eden (South African band): Eden is a South African pop band. Originally made up of Jay, Paulo, Johan and Sean, the band debuted during the popular South African Aardklop Festival followed by a tour all over South Africa releasing their album "In" in 1997. After Sean Else left in 2006, the boy band continued as a trio. Since 2003, the band has released three more albums, "Point of No Return" (2003), "Eden" (2006) and "Knieë Lam" (2008), a live DVD "Live at The Mardi Gras" (2008) and a compilation album Dekade (2009). They are signed to Coleske Artists.
Document 8: Kings of Leon: Kings of Leon is an American rock band that formed in Nashville, Tennessee, in 1999. The band is composed of brothers Caleb Followill (b. January 14, 1982, lead vocals, rhythm guitar), Nathan Followill (b. June 26, 1979, drums, percussion, backing vocals) and Jared Followill (b. November 20, 1986, bass guitar, backing vocals), with their cousin Matthew Followill (b. September 10, 1984, lead guitar, backing vocals).
Document 9: Tom Maxwell (singer): Thomas Edward Maxwell (born September 19, 1965) is an American songwriter, musician, vocalist, and writer. Most notably Maxwell is the former lead singer of the swing revival band Squirrel Nut Zippers. He wrote the single "Hell" from the 1996 certified platinum album "Hot".
Document 10: Bedlam Ballroom: Bedlam Ballroom is the fifth studio album by the swing revival band Squirrel Nut Zippers, released in 2000. Most editions of the CD case have a lenticular cover. The cover artwork was created by artist Michael Doret.
Document 11: Konono Nº1: Konono Nº1 is a musical group from Kinshasa, Democratic Republic of the Congo. They combine three electric likembé (a traditional instrument similar to the mbira) with voices, dancers, and percussion instruments that are made out of items salvaged from a junkyard. The group's amplification equipment is equally rudimentary, including a microphone carved out of wood fitted with a magnet from an automobile alternator and a gigantic horn-shaped amplifier. The group achieved international renown beginning in 2005, with its DIY aesthetic appealing to many fans of rock and electronic music. They played this same year at the Eurockéennes festival in France.
Document 12: Christmas Caravan: Christmas Caravan is a Christmas album by the swing revival band Squirrel Nut Zippers that was released in 1998 by Mammoth Records.
Document 13: Roasted Right: Roasted Right is an EP by the swing revival band Squirrel Nut Zippers that was released in 1997. Unlike other albums by the Zippers, brass and woodwinds were replaced by guitars and the blues.
Document 14: Lody Kong: Lody Kong is an American sludge metal band from Phoenix, Arizona, formed in 2011. The band is known for being led by brothers Igor and Zyon Cavalera, both sons of former Sepultura and current Soulfly frontman Max Cavalera.
Document 15: Kasai Allstars: Kasai Allstars are a 25-piece musical collective based in Kinshasa, Democratic Republic of the Congo. The musicians originally come from five bands, all from the Kasai region, but originating from five different ethnic groups: the Songye, Lulua, Tetela, Luba, and Luntu. Some of these groups have endured conflicting relationships over the centuries, they each have their own culture, their own language and their own musical traditions, which were always thought to be incompatible until these musicians decided to pool their resources and form a "superband", at the instigation of Belgian producer Vincent Kenis
ground_truth: no