Question: Matthew Sweet and OneRepublic are of what nationality?

Context paragraphs:
Under the Covers, Vol. 1: Under the Covers, Vol.  1 is the first collaboration between alternative rock artist Matthew Sweet and Bangles singer Susanna Hoffs.  Released by Shout!  Factory in 2006, the album contains 15 cover versions of favorite songs from the 1960s and 1970s.  The album was a result of their mutual love for songwriting from the 1960s.  Matthew Sweet and Susanna Hoffs decided to record an album together in dedication of that era consisting of only cover versions.

Community Trolls: Community Trolls was the group name of a short-lived musical duo between Michael Stipe of R.E.M. and Matthew Sweet.  In 1983, they collaborated as part of the Athens, Georgia music scene, writing and recording three songs together.  One of the compositions, "Tainted Obligation", was nearly released on a compilation album in 1986, and later appeared on bootlegs; it was released officially in 2002.  Another Community Trolls' song, "Six Stock Answers", appeared in an unreleased indie film featuring Stipe, Sweet and some of their friends.

Matthew Sweet discography: This is the solo discography for American alternative rock/power pop musician Matthew Sweet.

OneRepublic: OneRepublic is an American pop rock band formed in Colorado Springs, Colorado in 2002 by lead vocalist Ryan Tedder and guitarist Zach Filkins.  It also consists of guitarist Drew Brown, bassist and cellist Brent Kutzle, and drummer Eddie Fisher.  The band first achieved commercial success on Myspace as an unsigned act.  In late 2003, after OneRepublic played shows throughout the Los Angeles area, a number of record labels approached the band with interest, but the band ultimately signed with Velvet Hammer, an imprint of Columbia Records.  They made their first album with producer Greg Wells during the summer and fall of 2005 at his studio, Rocket Carousel, in Culver City, California.  The album was originally scheduled for release on June 6, 2006, but the group was dropped by Columbia two months before the album ever came out.  The lead single of that album, "Apologize", was released on April 30, 2006, on Myspace and received some recognition there, becoming number one on the Myspace charts.

The Specs: The Specs was a new wave cover band from Lincoln, Nebraska, featuring a teenage Matthew Sweet, that played together from 1978–1980.

The Pillowcase: The Pillowcase is a collaboration EP between alternative rock artist Matthew Sweet and Bangles singer Susanna Hoffs.  Released by Shout!  Factory in 2006 in collaboration with Parasol Records as a double-7" vinyl, it contains 4 cover versions of favorite songs from the 1960s.  It was designed as a companion piece to Sweet and Hoffs' album, Under the Covers, Vol.  1.  Two of the tracks on the EP appear on that album, while the other two tracks were exclusive to the EP.

Son of Altered Beast: Son of Altered Beast is an EP by alternative rock musician Matthew Sweet.  Released following "Altered Beast" in 1994 by Zoo Entertainment, it contains live & alternate versions of various Sweet songs.

Matthew Sweet: Sidney Matthew Sweet (born October 6, 1964) is an American rock singer-songwriter and musician.  He was part of the burgeoning music scene in Athens, Georgia, during the 1980s before gaining commercial success in the 1990s.  His twelfth album, "Tomorrow Forever", was released in June 2017.

Time Capsule: Best of 90/00: Time Capsule: The Best of Matthew Sweet 90/00 is a compilation album by alternative rock musician Matthew Sweet.  It was released on Volcano Entertainment in 2000.

Beware of Darkness (song): "Beware of Darkness" is a song written by English musician George Harrison and originally released on his 1970 solo album "All Things Must Pass".  It has also been covered by artists such as Leon Russell, Marianne Faithfull, Spock's Beard, Concrete Blonde, Matthew Sweet and Susanna Hoffs.  Harrison and Russell performed the song at the Concert for Bangladesh in 1971, and Eric Clapton performed it at the Concert for George in 2002.  The song warns against permitting illusion from getting in the way of one's true purpose, an admonition that, like the content of "My Sweet Lord", reflects the influence of the Radha Krishna Temple.

Supporting paragraphs: Matthew Sweet OneRepublic
Answer: American