Question: Spider One and John Popper, are of which nationality?

full_context: Document 1: Sutter Kain: Robert Evans, better known by his stage names Sutter Kain and DJ Bless, is an American rapper and producer from Queens, New York. His productions range from traditional East Coast hip hop to ghetto metal, a style that samples metalcore. The name Sutter Kain is based on the character Sutter Cane from the 1995 horror film "In the Mouth of Madness". He is the founder and owner of Never So Deep Records.
Document 2: Zygote (album): Zygote is the debut studio album by American singer-songwriter John Popper. Produced by Terry Manning, it was released on September 7, 1999, less than a month after Popper lost a good friend and fellow bandmember, Bobby Sheehan. Accompanying Popper on this album is Carter Beauford (of the Dave Matthews Band) on drums, and Crugie Riccio on guitar, Rob Clores, and Dave Ares (all of Cycomotogoat).
Document 3: Poppermost: Poppermost is an original indie pop rock music band based in Las Vegas, Nevada, United States. The retro band draws comparisons to The Turtles, The Beach Boys, Harry Nilsson, Simon & Garfunkel, The Beatles, Queen, Elliott Smith, Elvis Costello, The Kinks, Paul McCartney, The Hollies, Traveling Wilburys, Oasis, The Who, Electric Light Orchestra, Wilco, and classic '60s / '70s pop rock radio. Poppermost has been listed as one of "Our picks for the best bands" by the "Las Vegas Weekly" entertainment magazine, and also received a "Best of Las Vegas 2007" award from the "Las Vegas Review-Journal" newspaper.<ref name="RJ3/25/07">"Best Local R&B Band", "Las Vegas Review-Journal"</ref> Singer/songwriter/multi-instrumentalist, Alex Oliver, and bassist and audio/video/graphics/web designer, Roy Rendahl, both registered with ASCAP, started Poppermost on July 4, 2001. They have released three full-length albums, and several CD singles and EPs of original music, all recorded at Roy's Trimordial Studio in Las Vegas. Roy is now mastering their latest recordings too. Poppermost's influences include: The Beatles, R.E.M., The Beach Boys, Queen, Wilco, Oasis, classic '60s AM and '70s FM, The Who, Carole King, and Burt Bacharach and Hal David. The Poppermost name originates from the early Beatles' inspirational call and response, John: "Where are we going, lads?" Paul, George, Ringo: "To the toppermost of the poppermost, Johnny!"
Document 4: Chuck Schuldiner: Charles Michael Schuldiner (May 13, 1967 – December 13, 2001) was an American singer, songwriter, and guitarist. He founded the pioneering band Death in 1983. Schuldiner is often referred to as "The Godfather of Death metal",
Document 5: SpiderCider: SpiderCider is a punk rock project from goth/punk/hardcore/metal veteran Eerie Von. Eerie Von has recorded one album under this name, "That's All There Is", released by Ghastly Records in 2006. The project marked a diversion from the gothic rock of Eerie Von's previous solo albums.
Document 6: Spider One: Michael David Cummings (born August 25, 1968), better known as Spider One, is an American singer, songwriter, rapper, record producer, and director. He is the founder and only consistent member of the nu metal band Powerman 5000 and the owner of Megatronic Records. He created the horror/black comedy mockumentary series "Death Valley", which aired on MTV for one season in 2011.
Document 7: Rob Zombie: Rob Zombie (born Robert Bartleh Cummings; January 12, 1965) is an American musician, filmmaker and screenwriter. Zombie rose to fame as a founding member of the heavy metal band White Zombie, releasing four studio albums with the band. He is the older brother of Spider One, lead vocalist for American rock band Powerman 5000.
Document 8: John Phillips (musician): John Edmund Andrew Phillips (August 30, 1935 – March 18, 2001) was an American singer, guitarist, songwriter, and promoter, most notably of the 1967 Monterey Pop Festival, a landmark event of the counterculture era and the Summer of Love. Known as Papa John, Phillips was a member and leader of the vocal group The Mamas & the Papas.
Document 9: John Mayer: John Clayton Mayer ( ; born October 16, 1977) is an American singer-songwriter, guitarist, and producer. He was born in Bridgeport, Connecticut, and raised in nearby Fairfield. He attended Berklee College of Music in Boston, but disenrolled and moved to Atlanta in 1997 with Clay Cook. Together, they formed a short-lived two-man band called Lo-Fi Masters. After their split, Mayer continued to play local clubs—refining his skills and gaining a following. After his appearance at the 2001 South by Southwest Festival, he was signed to Aware Records, and then Columbia Records, which released his first EP, "Inside Wants Out". His following two full-length albums—"Room for Squares" (2001) and "Heavier Things" (2003)—did well commercially, achieving multi-platinum status. In 2003, he won the Grammy Award for Best Male Pop Vocal Performance for the single "Your Body Is a Wonderland".
Document 10: The John Popper Project: The John Popper Project (formal name The John Popper Project Featuring DJ Logic) is an American fusion music group. The band's style is a combination of rock, hip hop, and improvisational jazz.
Document 11: MiKKa: Mihajlo Obrenov aka miKKa is a Serbian musician, sound engineer and film director. He was the composer and sound engineer for many documentary movies, theater plays and underground bands.. Since 1997, MiKKa is the leading man behind industrial rock band dreDDup. In 2007, he founded the Serbian online music label Crime:Scene Records which is involved only with ex-Yugoslavian dark music. The label itself signed more than 200 artists and organized over 200 happenings. Mikka's main sound work consists of experimentation with sound and exploration of weird ambient noises. His industrial project MRT involves a lot of sound experimentation. Besides music, Mikka is involved into movie making - shooting films and music videos. In 2010, he directed his first science fiction thriller entitled "Araneum". In 2017, Mikka finished his new movie - documentary about underground music scene in his hometown Novi Sad, entitled - "Contact". Cinema City (film festival) premiered the movie in September 2017.
Document 12: Anyone for Doomsday?: Anyone for Doomsday? is the third full-length album by Powerman 5000, and was originally slated as the follow-up to "Tonight the Stars Revolt!". It was pulled by PM5K frontman Spider One two weeks before the release date. Due to being too similar to previous work, the album was originally intended to merely be delayed and revamped. However, during this time conflicts began to arise causing longtime members Dorian 27 (Dorian Heartsong) and Al3 (Allen Pahanish) to leave the band. As a result, the album was scrapped due to Spider's unwillingness to release an album of half new members and half old. The album was available for a while on Powerman 5000's official website through Spider One's record label, Megatronic Records. The promotional copies featured artwork that was different from the copies available on the website. The album however was taken down due to legal reasons. The album is now available in full on Spotify. The physical copy of the album has become a collector's item.
Document 13: John Popper: John Popper (born March 29, 1967) is an American musician and songwriter. He is most famous for his role as frontman of rock band Blues Traveler performing harmonica, guitar, and vocals.
Document 14: Mike Davis (guitarist): Mike Davis (born ca. 1970) is an American metal guitarist. He is best known for his work in the progressive death metal band Nocturnus. He joined the band around 1988, and eventually became the bands' standout lead guitarist. He joined the band when he was just 18 years old and is widely regarded as an underrated guitarist. After the second breakup of Nocturnus in 2003 he formed the band Tiwanaku with Emo Mowery and Richard Christy, but quit early on 
Document 15: John Sebastian: John Benson Sebastian (born March 17, 1944) is an American-born singer-songwriter, guitarist, harmonicist, and autoharpist, who is best known as a founder of The Lovin' Spoonful, a band inducted into the Rock and Roll Hall of Fame in 2000; for his impromptu appearance at the Woodstock festival in 1969; and for his No. 1 hit in 1976, "Welcome Back".
ground_truth: American