Question: Kim Wilson and Kevin Woo, are of which nationality?

Context paragraphs:
Tuff Enuff (song): "Tuff Enuff" is a cover song by the blues rock band the Fabulous Thunderbirds.  It is based on "She's Tough", written and recorded by Jerry McCain in 1960.  The band's lead singer Kim Wilson was inspired by McCain's harmonica solo which he copied note for note.  The song appeared on the album "Tuff Enuff" and was produced by Dave Edmunds.

Rusty Zinn: Rusty Zinn (born April 3, 1970 in Long Beach, California) is an American electric blues and reggae guitarist and singer-songwriter.  Zinn released six albums between 1996 and 2009, on Black Top, Alligator, Bad Daddy, and 9 Above Records.  He has worked with Mark Hummel, Kim Wilson, Larry Taylor, and Sly Dunbar.

High Water (The Fabulous Thunderbirds album): High Water is a 1997 studio album credited to Texas-based blues rock band The Fabulous Thunderbirds, though the album is a collaboration between Thunderbirds frontman Kim Wilson and studio musicians (and producers) Steve Jordan and Danny Kortchmar.  Wilson, Kortchmar and Jordan are the only musicians to appear on the album.

List of After School Club episodes: After School Club is a South Korean variety show, internet based live music request television talk show hosted by K-pop idols Kevin Woo, Park Jimin, and Jae Park from Day6.

Kevin Woo: Christopher Thomas Woo (born November 25, 1991), known professionally as Kevin or Kevin Woo, is a American singer, actor and television host currently based in South Korea.  Born and raised in California, he was discovered by South Korean entertainment agency XING Entertainment at the age of fifteen and subsequently moved to South Korea.  After a few months training, Kevin debuted as a member of boy group XING in 2006 and withdrawal from the group two-years later.  In August 2008, he re-debuted as a member of boy group U-KISS.  In March 2017, he was official departure from U-Kiss after his contracts had expired with the agency.

Bellevue murders: The Bellevue murders, or the Bellevue massacre, occurred on the night of January 3rd, and the early morning of January 4th, 1997, when Alex Baranyi and David Anderson, both 17, lured Kim Wilson, 20, to a Bellevue, Washington park and murdered her.  Afterwards, they entered her family home and murdered Bill Wilson, his wife Rose Wilson, and their other daughter, Julia Wilson.  Both Baranyi and Anderson were convicted and sentenced to serve four consecutive life sentences without the possibility of parole.

Rhythm Room: The Rhythm Room is a roots, blues, and concert club located in Phoenix, Arizona.  It is the venue of nationally known acts on an almost nightly basis.  In 2003 the club was named by the Phoenix New Times as the "Best Club for Blues" in its "Best of Phoenix" awards.  In July of that same year the club hosted a live recording session by an 88-year-old Robert Lockwood, Jr. The resulting performance, "Legend Live", was released the following year by M.C. Records.  A 2001 Hightone Records compilation, "Rhythm Room Blues (LIVE)", also captured live performances from the venue by R. L. Burnside, Kim Wilson, Sonny Rhodes, and others.

After School Club: After School Club, often shortened to ASC, is a South Korean internet-based live-music request television talk show co-hosted by Kevin Woo, Park Jimin, and Jae.  K-pop idols Jang Han-byul and Eric Nam were the original main hosts of the show, and departed in January 2014 and April 2016, respectively.  Debuting on April 17, 2013, it is produced by Lee Hyun-ah and airs on Arirang TV.  ASC features various musical guests of South Korea and the series is directed at an international audience so the principal language is English with Korean subtitles and translations produced on air.  It allows international fans of K-pop music to interact directly with the live shows through social media: fans can join in on the live broadcasts through video chats in Google Hangouts, send in tweets to the show's official Twitter account, and are also able to share comments, ask questions, and request music videos on the show's official Facebook account.  The show is also available on Viki (website), a community for subtitles, Soompi, and on DramaFever.

Oh Baby (Little Walter song): "(I Love You So) Oh Baby" is a 1954 song written by Walter Jacobs and Willie Dixon, first recorded by Jacobs as Little Walter And His Jukes in 1954.  The song has been covered by Led Zeppelin, Kim Wilson and many others.

Kim Wilson: Kim Wilson (born January 6, 1951) is an American blues singer and harmonica player.  He is best known as the lead vocalist and frontman for the Fabulous Thunderbirds on two hit songs of the 1980s, "Tuff Enuff" and "Wrap It Up."  Wilson wrote "Tuff Enuff," the group's only Top 40 hit.

Supporting paragraphs: Kim Wilson Kevin Woo
Answer: American