Question: Who is the father of the recording artist who debuted on the Best of Both Worlds tour? 
Context: The Euphoria Tour was the seventh concert tour by the Spanish recording artist Enrique Iglesias.  The tour supported his ninth studio album, "Euphoria".  Beginning in January 2011, Iglesias performed in the Americas, Europe, Asia and Australia.  The tour ended in July 2012.  The tour ranked 38th in Pollstar's "Top 50 Worldwide Tour (Mid-Year)", earning roughly 20 million dollars.  At the conclusion of 2011, the tour placed 23rd on Billboard's annual, "Top 25 Tours", earning over $30 million with 38 shows.  Iglesias also won an award for Touring Artist of the Year for Euphoria World Tour at Billoard Latin Music Awards of 2012.  It is estimated that the world tour of this work, which began in January 2011 in San Juan, Puerto Rico, in November and endeds in Austin, Texas, will have been seen by a total of 1,312,579 viewers My Worlds: The Collection is the first compilation album released by Canadian recording artist Justin Bieber.  As the international alternative to the Walmart and Sam's Club exclusive "My Worlds Acoustic" (2010), "My Worlds: The Collection" was released in numerous European countries on November 19, 2010.  The album consists of two discs; the first is a slightly altered version of "My Worlds Acoustic", and the second is "My Worlds", a compilation itself made up of "My World" (2009) and "My World 2.0" (2010).  In addition, the album also features a new song, an inspirational ballad entitled "Pray", a Jaden Smith collaboration, "Never Say Never", and remixes of "Somebody to Love".  The new versions of the songs were produced by Bieber's music director, Dan Kanter, his vocal producer Kuk Harrell, and also producer Rob Wells.  While most reviewers complimented the set , several thought that its release was unneeded.  The album charted moderately in Europe, reaching the top half of several album charts. Band in a Bus is a 2008 video release from American pop-rock band, the Jonas Brothers,the stars of Disney's Camp Rock and Jonas and Jonas L.A.  It was filmed while on the Best of Both Worlds Tour with Miley Cyrus.  Ten episodes, each approximately three minutes in length, were produced and made available exclusively by Verizon Wireless as downloads for Vcast-enabled mobile telephones. Best of Both Worlds Tour was the debut concert tour by American recording artist Miley Cyrus.  The tour was held to promote the double-disc album "" (2007), which consisted of the soundtrack to "Hannah Montana"' s second season and her debut studio album.  It initiated in October 2007 and concluded in March 2008, visiting cities in the United States and Canada.  The tour was promoted by AEG Live and Buena Vista Concerts.  Labelmates the Jonas Brothers, Aly & A.J., and Everlife each served as opening act during the tour.  One dollar from each ticket sold was donated to the City of Hope National Medical Center, an organization devoted to the fight against cancer.  The Best of Both Worlds Tour raised over US $2 million for the organization. Miley Ray Cyrus (born Destiny Hope Cyrus; November 23, 1992) is an American singer, songwriter, and actress.  After playing minor roles in the television series "Doc" and the film "Big Fish" in her childhood, she became a teen idol starring as the character Miley Stewart in the Disney Channel television series "Hannah Montana" in 2006.  Her father Billy Ray Cyrus also starred in the show.  She subsequently signed a recording contract with Hollywood Records, and her debut studio album "" (2007) was certified triple-platinum by the Recording Industry Association of America (RIAA) having shipped over three million units.  She released her second album "Breakout" and launched her film career as a voice actress in the animated film "Bolt" in 2008. The Junkie Tour (also known as Dhanyavad Tour) is the second concert tour by Canadian American recording artist, Alanis Morissette.  The tour promoted her fourth studio album, "Supposed Former Infatuation Junkie".  Beginning October, the tour played over 100 shows in the Americas, Europe, Asia, Oceania and Africa.  Morissette took a break in the tour to co-headline a North American tour with American recording artist, Tori Amos.  The tour was known as the 5 ½ Weeks Tour.  The tour was extended into places she had never toured in 2000, where it became known as the One Tour. "7 Things" is a song by American singer-songwriter and actress Miley Cyrus.  The song was co-written by Cyrus, Antonina Armato and Tim James, and produced by John Fields.  It was released on June 17, 2008 by Hollywood Records as the lead single from the first studio album released by Cyrus with no ties to her character Hannah Montana from the Disney Channel comedy series of the same name.  Also registered as "Seven Things I Hate About You", Cyrus developed the song during the Best of Both Worlds Tour while feeling numerous emotions for an ex-boyfriend, mainly anger.  The song's release brought allegations that it was about Nick Jonas of the Jonas Brothers, which Cyrus neither confirmed nor denied.  Musically, "7 Things" bears aspects of both country and pop punk, while the lyrics in the song's refrain list seven traits Cyrus hates about an ex-boyfriend. Breakout is the second studio album by American recording artist Miley Cyrus, released on July 22, 2008 by Hollywood Records.  It is her first record that is not affiliated with the television series "Hannah Montana", in which Cyrus portrays the title character Hannah Montana.  She co-wrote eight of its thirteen tracks, several of which with the assistance of Antonina Armato and Tim James.  The majority of the record was composed as she traveled during her headlining Best of Both Worlds Tour (2007–08).  Overall, "Breakout" is dominant on pop rock but explores a variety of other musical genres.  Lyrical themes addressed in the album relate to breakups and coming of age. Best of Both Worlds Concert is the accompanying live album for the concert film "", released on March 11, 2008 by Walt Disney Records.  It includes live performances of songs from the soundtrack albums "Hannah Montana" (2006) and "" (2007), which respectively accompany the first and second seasons of the television series "Hannah Montana".  All fourteen tracks are performed by its primary actress Miley Cyrus, although the first half are credited to her title character Hannah Montana.  The album was recorded in Salt Lake City, Utah in October 2007, during Cyrus' headlining Best of Both Worlds Tour. Aphrodite: Les Folies Tour (also known as Aphrodite Live) was the twelfth concert tour by Australian recording artist Kylie Minogue.  The tour supported her eleventh studio album, "Aphrodite" (2010).  The tour visited Europe, Asia, North America, Australia and Africa.  Minogue has stated the tour was highly technical (as far as staging) yet it remained somewhat intimate.  Given the nature of the show, the tour was officially acknowledged by two names; Aphrodite: Les Folies Tour (in Europe and Australia) and Aphrodite Live (in Asia, North America and Africa).  The tour ranked 6th in Pollstar's "Top 50 Worldwide Tour (Mid-Year)", earning over $52.1 million from 68 shows.  At the conclusion of 2011, the tour placed 21st on Billboard's annual, "Top 25 Tours", earning over $32.6 million with 41 shows.  The tour earned over $52.8 million from 72 shows, placing 21st on Pollstar's "Top 50 Worldwide Tours".  Overall, the tour grossed an estimated $60 million.
Answer: Billy Ray Cyrus