Question: What kind of group does Chuck Billy and Kendall Schmidt have in common?

full_context: Document 1: Happy Mistakes: 'Happy Mistakes' is the debut studio album by American pop rock group Heffron Drive. It was released on September 9, 2014 under Schmidt's own label TOLBooth Records. Heffron Drive consists of members Kendall Schmidt and Dustin Belt.
Document 2: Chuck Billy (vocalist): Charles "Chuck" Billy (born June 23, 1962) is an American vocalist, who is best known as the lead vocalist for the thrash metal band Testament.
Document 3: Logan Henderson: Logan Phillip Henderson (born September 14, 1989) is an American actor and singer. He is best known for his role as Logan Mitchell on the Nickelodeon series, "Big Time Rush", as well as being a former member of the Big Time Rush band itself. He, along with the band, have won and been nominated for multiple awards over the past few years.
Document 4: Tom Araya: Tomás Enrique Araya Díaz (born June 6, 1961) is a Chilean American musician, best known as the vocalist and bassist of the American thrash metal band Slayer. Araya is ranked fifty-eighth by "Hit Parader" on their list of the 100 Greatest Metal Vocalists of All Time.
Document 5: Low (Testament album): Low is the sixth studio album by American thrash metal band Testament. It was released on September 30, 1994. It was the first Testament release not to feature two of its founding members Alex Skolnick (guitar) and Louie Clemente (drums). On September 29, 2017, Metal Blade Records will release the album on vinyl for the first time in the US along with the previous album "The Ritual", limited to 1500 copies.
Document 6: Heffron Drive: Heffron Drive is an American dance rock and pop rock duo formed by Kendall Schmidt and Dustin Belt, both originally from Kansas. It was originally formed in 2008 after Kendall and Dustin met each other by chance and realized they lived on the same street, Heffron Drive, Burbank, California. After a brief stint as a band together when Kendall was 17 and Dustin was 20, Kendall joined Big Time Rush and Dustin played as the touring guitarist.
Document 7: Burton C. Bell: Burton Christopher Bell (born February 19, 1969) is an American musician and vocalist. Bell is best known as co-founder and frontman of the metal band Fear Factory. His singing style mixes clean and shouted vocals with death growls.
Document 8: Billy Milano: Billy Milano is a Bronx-born heavy metal musician now based in Austin, Texas. He is the singer and - occasionally - guitarist and bassist of crossover thrash band M.O.D., and he was also the singer of its predecessor, Stormtroopers of Death. He was also the singer of United Forces, which also featured his Stormtroopers of Death bandmate Dan Lilker.
Document 9: Chuck Taylor (writer and editor): Chuck Taylor (born September 28, 1962 in Lynchburg, Virginia, United States) is an American music journalist. He served as a writer, reporter, columnist and senior editor at Billboard magazine from 1995 to 2009. There, he held the titles of Senior Editor/Talent, Senior Writer, Radio Editor, host of the Billboard Radio Countdown (online), columnist of AirWaves and, Single Reviews Editor since 1998; as well as Managing Editor of Top 40/AC for affiliated publication Billboard Radio Monitor, and senior editor/features and AC format editor for Billboard sister Radio & Records.
Document 10: Nick Jonas: Nicholas Jerry Jonas (born September 16, 1992) is an American singer, songwriter, producer, and actor. Jonas began acting in theater at the age of seven, and released his debut single in 2002. He released his eponymous debut album in 2004 to little success, though it did catch the attention of Columbia Records. Jonas opted to form a band with his older brothers, Joe and Kevin, known as the Jonas Brothers. The group released their debut studio album "It's About Time" through Columbia Records. The record failed to achieve commercial success, thus the group parted ways with their label. Their self-titled second studio album was released through Hollywood Records in 2007, and became their breakthrough record. The band became prominent figures on the Disney Channel during this time, gaining a large following through the network. The band starred in the widely successful film "Camp Rock" (2008).
Document 11: Lovers Make Liars: Lovers Make Liars is an American Pop/Rock group formed in 2006 most well known for having been the first band of Kendall Schmidt - later known for pop group and TV show Big Time Rush (band). The band was started by Tordy Jack, Jordan Meckley, Vanand Sinanian, Sean Kreisberg and original vocalist Ron Beem. Meckley, Jack and Sinanian were the primary songwriters. Beem left the band in Spring of '08 and Kendall joined and had a short stint as the lead vocalist where they played various gigs such as the Vans Warped Tour in Summer of '08. Schmidt dropped out to audition for BTR and was replaced by Jason Translateur. They then released a single on iTunes late '08 titled "Pillow Talk".
Document 12: Chuck Schuldiner: Charles Michael Schuldiner (May 13, 1967 – December 13, 2001) was an American singer, songwriter, and guitarist. He founded the pioneering band Death in 1983. Schuldiner is often referred to as "The Godfather of Death metal",
Document 13: Big Time Rush: Big Time Rush is an American television series that originally aired on Nickelodeon from November 28, 2009 until July 25, 2013. It was created by Scott Fellows (also the creator of "Ned's Declassified School Survival Guide" and "Johnny Test" and the head writer of "The Fairly OddParents"). It focuses on the Hollywood misadventures of four hockey players from Minnesota: Kendall Knight, James Diamond, Carlos Garcia, and Logan Mitchell, after they are selected to form a boy band.
Document 14: Big Time Rush (band): Big Time Rush (also known as BTR) was an American boy band pop group formed in 2009. The group consisted of Kendall Schmidt, James Maslow, Logan Henderson, and Carlos Pena, Jr. The group starred in Nickelodeon's television series "Big Time Rush" and signed to a record deal with Nick Records simultaneously with the television series, and then the group was eventually signed to Columbia Records. The show ran from November 28, 2009 to July 25, 2013. The pilot episode featured the group's first promotional single, "Big Time Rush". They have released three studio albums which all achieved success. The band stopped performing in 2014.
Document 15: Kendall Schmidt: Kendall Francis Schmidt (born November 2, 1990) is an American actor, pop rock singer-songwriter and music producer. He is best known for playing Kendall Knight in "Big Time Rush", participating in a boy band with the same name, and playing small roles on several TV shows such as "ER", "Without a Trace", "Phil of the Future", "Ghost Whisperer", "Gilmore Girls", and "Frasier". Schmidt's first single with Heffron Drive, "Parallel," was released in March 2014 through his very own record label TOLBooth Records.
ground_truth: band