Question: Which vocalist's band has more letters in its name, Kim Sung-kyu or Andy Kuntz?

Context paragraphs:
Semantic Saturation: Semantic Saturation is a three-member American progressive rock-metal band, composed of Shant Hagopian, Virgil Donati and Ric Fierabracci, with guests; Derek Sherinian and Andy Kuntz.  The band recorded its debut album "Solipsistic" in 2012 and released it in early 2013.

Andy Kuntz: Andy Kuntz is a German Progressive Metal singer best known for his work with the band Vanden Plas.  In addition to his work with Vanden Plas he has also participated in a production of the musical Jesus Christ Superstar.

Bada Kim: Bada Kim (, born October 21, 1971) is a South Korean singer, musician, producer, and songwriter.  His birth name is Kim Jung-nam (김정남).  From 1995 to 1999, he was the fifth vocalist of Korean rock band Sinawe.  In 2003, he formed the rock band Butterfly Effect, which disbanded in 2007.  That same year, he became the vocalist of The Ratios, an electronic rock band.  In 2009, Kim formed Art Of Parties, and in 2013 released his first solo album, "N.Surf part 1".

Kim Sung-kyu: Kim Sung-kyu (born April 28, 1989), referred to as Sunggyu or Sungkyu, is a South Korean singer and actor.  He is the leader and main vocalist of South Korean boy band Infinite.

Another Me (Kim Sung-kyu EP): Another Me is the debut extended play by South Korean singer, Kim Sung-kyu.  It was released on November 19, 2012 by Woollim Entertainment.  Kim Sungkyu releasing pre-release track "Shine" on November 7 before this album release on November 19.

American Hi-Fi: American Hi-Fi is an American rock band formed in Boston in 1998.  The band consists of lead vocalist/rhythm guitarist Stacy Jones, lead guitarist Jamie Arentzen, bassist/backing vocalist Drew Parsons, and drummer Brian Nolan.  Prior to the group's formation, Stacy Jones was well known for being a drummer in the successful alternative rock bands Veruca Salt and Letters to Cleo.  American Hi-Fi has a close relationship with Miley Cyrus, whose band shares two members with American Hi-Fi.  The group has a mixed musical style that includes influences from pop punk, alternative rock, and power pop.

The Twilight Sad discography: The discography of Scottish rock band The Twilight Sad consists of four studio albums, four compilation albums, eleven singles, and five extended plays (EPs).  The band currently consists of James Graham (vocals), Andy MacFarlane (guitar, producer), and Mark Devine (drums).  The Kilsyth-based band formed in 2003 and were signed to Fat Cat Records when Alex Knight, co-founder of the label, went to Glasgow to watch the band perform their third gig and signed them on the spot.  The band released their debut EP "The Twilight Sad" in November 2006 in the United States only, followed by their debut album "Fourteen Autumns & Fifteen Winters" in April 2007, which garnered widespread critical acclaim.  The album spawned two singles, "That Summer, at Home I Had Become the Invisible Boy" in April, and "And She Would Darken the Memory" in July.  The following year, the band released "Here, It Never Snowed.  Afterwards It Did", a mini-album of reworked versions of songs from "Fourteen Autumns & Fifteen Winters" and two non-album tracks, inspired by stripped-down live performances.  A collection of live versions and previously unreleased tracks entitled "Killed My Parents and Hit the Road" was released in December 2008.  The Twilight Sad's second studio album, "Forget the Night Ahead", was released in September 2009 to further acclaim and marked a shift in the band's direction towards a darker and more streamlined sound.  The album produced three singles: "I Became a Prostitute" in August 2009, "Seven Years of Letters" in October 2009, and "The Room" in April 2010.  Founding bassist Craig Orzel left the band in February 2010, and the band released "The Wrong Car" EP in September of that year.

27 (Kim Sung-kyu EP): 27 is the second extended play by South Korean singer, Kim Sung-kyu.  It was released on 11 May 2015.  The album release double title tracks as the lead singles, The Answer (너여야만 해) and Kontrol.

Songs of Experience (U2 album): Songs of Experience is the upcoming fourteenth studio album by Irish rock band U2.  It will be released on 1 December 2017.  The album is intended to be a companion piece to U2's previous record, "Songs of Innocence" (2014).  Whereas its predecessor explored the group members' adolescence in Ireland in the 1970s, "Songs of Experience" thematically will be a collection of letters written by lead vocalist Bono to people and places closest to his heart.  The personal nature of the lyrics reflects a "brush with mortality" that he had during the album's recording.  The band collaborated with a variety of producers for the record, including Steve Lillywhite, Ryan Tedder, Jacknife Lee, Jolyon Thomas, and Andy Barlow.

Kim Hyun-sik: Kim Hyun-sik (January 7 1958 – November 1, 1990) was a musician in South Korea, active during the 1980s.  He debuted in 1980, releasing his first album, "Spring, Summer, Fall, Winter", along with his band of the same name.  He died at the age of 32 from cirrhosis.  He is considered one of the most popular and notable musicians of the 1980s in Korea, well-known for his unique, husky, emotional vocal style.  Kim released five albums while alive, with his sixth album—"Kim Hyun-sik VI", popularly known by the title of its lead single "My Love By My Side"—being released posthumously.  Kim broke out of the hospital to finish the vocal recordings for his last album, showing his dedication to his profession.  He won the Disc Daesang (Album of the Year) award at the 1991 Golden Disc Awards, the Korean approximation of the Grammy Awards, for his posthumous sixth album, "Kim Hyun-sik VI".  Kim was also honored by having two episodes of the popular singing competition show "Immortal Songs 2" dedicated to his music.

Supporting paragraphs: Kim Sung-kyu Andy Kuntz
Answer: Andy Kuntz