Question: Are Robert Pollard and Nic Offer both American musicians?

full_context: Document 1: Nick Oshiro: Nick Oshiro (born July 29, 1978) is an American musician, best known as the former drummer of the industrial metal band Static-X. He has previously played with the South African post-grunge and alternative metal band Seether. He started out with a drumkit made by his father as he stated in an interview with Tama. It was made of pots and pans, of which his father made a whole kit from. Already at the age of nine, he wanted to be a rockstar after seeing a Whitesnake video. He then created a large following in his home town of Las Vegas, Nevada. Leaving Seether in 2003, he joined Static-X as a touring drummer but eventually became a full-time member. While on tour on April 11, 2007 in Abilene, Texas he broke his hand and was back in four weeks. Oshiro uses a Tama drumkit (it is a Starclassic Maple in Blue Galaxy Fade), Sabian cymbals, Vater drumsticks and Remo drumheads. Some of his influences are Abe Cunningham, Morgan Rose and Tim Alexander.
Document 2: Kid Marine: Kid Marine is 3rd album by Robert Pollard, released in 1999. It is the first release of Robert Pollard's Fading Captain Series. Pollard has stated that the album is about Jeff "Kid Marine" Davis, the person pictured on the cover . Robert told Mojo magazine, "My personal favorite, a weird record, almost a concept album, about the typical Ohio male and what he does - drink, watch television, eat pizza. It got mixed reviews, there are people who hate it and others who think it's our best record and I'm on their side. I just love the songs. It feels like one piece, like it all fits together. I like the cover and I like the
Document 3: Joe Nice: Joe Nice is a dubstep DJ from Baltimore, Maryland. Nice was the first person to put on dubstep nights in America and founded New York's irregular Dub War club night, which has hosted performances by British dubstep artists such as Hatcha, Youngsta, Kode9, Mala, and Loefah. He performs regularly in New York, London (including at scene pillar DMZ), and elsewhere. He first heard dubstep in 2002, at the Baltimore venue Starscape, and began playing it that same year. He has been praised for his charisma and stage presence. In 2005 music journalist Martin Clark also praised him for his access to new dubplates (in contrast to other American dubstep DJs) and willingness to play tracks by lesser-known producers. In 2007, Nice was selected as one of URB magazine's "Next 100". In 2015, he founded the label known as Gourmet Beats, pushing content from the likes of Moonstones, Fill Spectre & DJG.
Document 4: Robert Pollard Is Off to Business: Robert Pollard Is Off to Business is 10th studio album released by singer-songwriter Robert Pollard on June 2, 2008. This is the first LP release from Robert Pollard's new record label "Guided by Voices Inc". All instrumentation on the album was performed by producer Todd Tobias. Many of the songs on the album were over three minutes in length, which is unusual for a Pollard release.
Document 5: Niacin (band): Niacin is a neo-fusion instrumental trio featuring bassist Billy Sheehan, drummer Dennis Chambers, and keyboardist John Novello. Founded in 1996, the band's name comes from the timbral foundation of the Hammond B3 organ; vitamin B is also known as niacin.
Document 6: Robert Pollard: Robert Ellsworth Pollard Jr. (born October 31, 1957) is an American musician and singer-songwriter who is the leader and creative force behind indie rock group Guided by Voices. In addition to his work with Guided by Voices, he continues to have a prolific solo career with 22 solo albums released so far.
Document 7: Guided by Voices: Guided by Voices (often abbreviated as GBV) is an American indie rock band from Dayton, Ohio. It has made frequent personnel changes but always maintained the presence of principal songwriter Robert Pollard.
Document 8: !!!: !!! ( ) is an American dance-punk band that formed in Sacramento, California, United States, in 1996 by lead singer Nic Offer. Members of !!! came from other local bands such as The Yah Mos, Black Liquorice and Popesmashers. They are currently based in New York City. The band's seventh album, "Shake the Shudder", was released in May 2017.
Document 9: Nicke Andersson: Nicke Andersson (also known as Nick Royale), born 1 August 1972, is a Swedish singer, guitarist, drummer, songwriter and composer most known for his work as the singer and guitarist of the successful Grammy award winning rock band The Hellacopters and drummer for Swedish death metal band Entombed. He has also done work as a producer as well as artwork for most the bands he has been involved with. Besides his work with the Hellacopters, Andersson is currently the drummer and songwriter in the soul band The Solution with Scott Morgan as well as the drummer, guitarist and songwriter in the death metal band Death Breath. Andersson has been involved in well over a hundred different official releases with different bands. He is currently touring with his new project, Imperial State Electric. Andersson was also the drummer of Tiamat in 1989, who were under the name of Treblinka, but he was no longer in the group by that year and he did not record any material with them.
Document 10: The Crawling Distance: The Crawling Distance is 11th studio album released by singer-songwriter Robert Pollard on January 20, 2009. Similar to many of Pollard's releases since "Fiction Man" in 2004, all instrumentation on the album was performed by producer Todd Tobias. "The Crawling Distance" has a 64/100 score on metacritic and thus was Pollard's lowest rated album on the site, until 2011's "Space City Kicks" which has a 62. 
Document 11: August by Cake: August by Cake is the 24th album by Dayton, Ohio group Guided by Voices. It is also the 100th album recorded by main member Robert Pollard. It was released April 7, 2017. "August by Cake" is also a double-disc album.
Document 12: Nic Offer: Nic Offer (born 1972) is a New York City-based musician. He is best known as the vocalist of the dance/punk band !!!, which he helped form in Sacramento, California in 1996. Offer also played bass and keyboards for the electronic band Out Hud from 1996 until 2005.
Document 13: Out Hud: Out Hud was an electronic band formed in 1996 in the Bay Area of California and later based in New York City. The band consisted of guitarist Nic Offer, bassist Tyler Pope, cellist Molly Schnick, vocalist/drummer Phyllis Forbes and mixer Justin Van Der Volgen. Pope, Offer, and Van Der Volgen are also members of the similar band, !!!. Their first album, "S.T.R.E.E.T. D.A.D." was instrumental. For their second album, "Let Us Never Speak Of It Again", the group added vocals to their music, with Forbes singing lead while a drum machine filled in her usual role, assisted with Schnick on backing vocals.
Document 14: Tyler Pope: Tyler Pope (born 1977) has been the guitarist with the American dance/punk band !!! since 1996 and the electronic band Out Hud (1996-2005). He has also played with LCD Soundsystem, Hercules and Love Affair, Cake. Also on Zach Hill's debut album for Ipecac Astrological Straits, he had as also recorded with MIA for tracks as yet unreleased and is currently writing with producers Diplo and Switch for their Major Lazer follow up due in 2012.
Document 15: From a Compound Eye: From a Compound Eye is a Robert Pollard CD and double LP released in 2006. Though Pollard had already released several albums under his own name, this album, being the first released after the 2004 dissolution of his longtime vehicle Guided by Voices, was considered to be the official commencement of his solo career.
ground_truth: yes