question: Jo Kwon and Darius Rucker, have which mutual occupation?
answer: singer
context: Title: Learn to Live
  Passage: Learn to Live is the second studio album and country debut by American country artist, Darius Rucker.  The album was released September 16, 2008 on Capitol Nashville Records and was produced by Frank Rogers.  "Learn to Live" was Rucker's first studio album marketed towards country music, and is also his first release since 2002 R&B release "Back to Then."  The album spawned three number one singles on the "Billboard" country music chart: "Don't Think I Don't Think About It," "It Won't Be Like This for Long," and "Alright."  "Learn to Live" is Rucker's best-selling solo album to date, and is his only solo album to go platinum.
  Title: Alright (Darius Rucker song)
  Passage: "Alright" is a song co-written and recorded by American singer Darius Rucker, lead vocalist of the rock band Hootie & the Blowfish.  It was released in April 2009 as the third single from his first country music album "Learn to Live".  Rucker co-wrote the song with producer Frank Rogers.
  Title: Darius Rucker
  Passage: Darius Carlos Rucker (born May 13, 1966) is an American singer and songwriter.  He first gained fame as the lead vocalist and rhythm guitarist of the Grammy Award-winning American rock band Hootie & the Blowfish, which he founded in 1986 at the University of South Carolina along with Mark Bryan, Jim "Soni" Sonefeld and Dean Felber.  The band has released five studio albums with him as a member, and charted six top 40 hits on the "Billboard" Hot 100.  Rucker co-wrote the majority of the band's songs with the other three members.
  Title: Jo Kwon
  Passage: Jo Kwon (Hangul: 조권, hanja: 趙權; born on August 28, 1989) is a South Korean singer, MC, actor, entertainer and leader of South Korean boy band 2AM.
citations: Darius Rucker Jo Kwon