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

Context articles: Jimbo Mathus
Squirrel nut caramel
Andrew Bird
Squirrel Nut Zippers
Roasted Right
Mammoth Records
Kongos (band)
Charleston Stroll
Andrew Bird's Bowl of Fire
Tom Maxwell (singer)

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.
Squirrel Nut Caramels (chocolate flavored) and Squirrel Nut Zippers (vanilla flavored) are chewy caramel candy mixed with peanuts.
Andrew Wegman Bird (born July 11, 1973) is an American violinist, singer, and songwriter.
 He was a member of the bands Squirrel Nut Zippers and Bowl of Fire before pursuing a solo career.
 His main instrument is violin, but he also plays guitar and glockenspiel and is an expert whistler.
 He wrote and performed "The Whistling Caruso" for "The Muppets" movie and composed the score for the television series "Baskets".
 Andrew Bird currently lives in Los Angeles with his wife Katherine and their son Sam.
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.
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.
Mammoth Records was an independent record label founded in 1989 by Jay Faires in the Carrboro area of Chapel Hill, North Carolina.
 The majority of the acts on Mammoth were executive-produced by Faires and the label’s general manager, Steve Balcom.
 The label was the first independent to produce two platinum records.
 Mammoth featured an eclectic roster including: Blake Babies, Chainsaw Kittens, Machines of Loving Grace, Juliana Hatfield, Joe Henry, Seven Mary Three, Squirrel Nut Zippers, Victoria Williams, The Sidewinders, Jason & the Scorchers, Frente!
, The Bats, The Backsliders, Antenna, Dash Rip Rock, Dillon Fence, Fun-Da-Mental, Fu Manchu, Kill Creek, The Melvins, Jocelyn Montgomery, The Hope Blister, My Friend Steve, and Vanilla Trainwreck among others.
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).
The Charleston Stroll is a swing line dance choreographed by Sing Lim from Singapore to the song Put A Lid On It by the Squirrel Nut Zippers.
 It can be found danced in many swing scenes all over the world.
Andrew Bird's Bowl of Fire was an American band fronted by musician Andrew Bird.
 After releasing his first solo album, "Music of Hair", Bird appeared on three albums by Squirrel Nut Zippers before becoming the bandleader for Andrew Bird's Bowl of Fire.
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".