Question: which  American musician was the guilterist of the Serenity of Suffering
Context: Brian Philip Welch (born June 19, 1970), better known by the stage name Head, is an American musician, singer and songwriter best known as one of the guitarists and co-founder of the nu metal band Korn and his solo project Love and Death.  Along with fellow Korn guitarist James "Munky" Shaffer, Welch helped develop Korn's distinctive sound, a mix of sirenlike shards of dissonant guitar that mimicked a turntablist's various effects and rumbling down-tuned riffing, that defined the nu metal aesthetic beginning in the mid-'90s. "No New Friends" is a song by American musician DJ Khaled, released as the lead single from his seventh studio album, "Suffering from Success".  The song features rappers Drake, Rick Ross and Lil Wayne, and features production from Boi-1da, Vinylz, and Noah "40" Shebib.  The song was released for digital download in the United States on April 19, 2013.  The song has peaked at number 37 on the US "Billboard" Hot 100, making it his sixth top 40 single on that chart. Benjamin Hudson McIldowie (born 26 June 1979), better known by his stage name Mr Hudson, is a British musician from Birmingham, England.  First rising to prominence in 2006, with Mr Hudson and the Library, Hudson later embarked on a solo career in 2008, when he signed a record deal with American musician Kanye West's GOOD Music label.  He was subsequently featured as a prominent composer on West’s "808s & Heartbreak" (2008).  Hudson later appeared on American rapper Jay-Z’s Top 10 single "Young Forever", from "The Blueprint 3" (2009).  He would find more solo success on his 2009 album, "Straight No Chaser", which spawned the hit single "Supernova". Jason Halbert (born June 3, 1974) is an American musician, engineer, songwriter, producer and music director.  He has been Kelly Clarkson's music director since 2003, shortly after her American Idol win.  He has also served as music director for Nick Carter (musician), Clay Aiken, Justin Guarini in addition to touring as keyboardist for Paulina Rubio and Reba McEntire. Trouble in Mind is an album by American blues musician Big Bill Broonzy.  It was released on February 22, 2000 by Smithsonian Folkways.  The album consists of traditional folk, blues, and spiritual songs featuring Broonzy accompanying himself on acoustic guitar and a guest appearance by Pete Seeger.  Suffering from cancer, Broonzy realized his time was limited and hence recorded extensively between 1956 and 1957.  While most of the work draws from the album "Big Bill Broonzy Sings Country Blues" (1957), arranged by Moses Asch and Charles Edward Smith, "Trouble in Mind" is also sourced from concert broadcasts and interviews recorded late in Broonzy's career. "Rotting in Vain" is a song by American nu metal band Korn.  Written by the band and produced by Nick Raskulinecz, it was featured on the band's 2016 twelfth studio album "The Serenity of Suffering".  The song was also released as the lead single from the album on July 22, 2016, reaching number 4 on the U.S. "Billboard" Mainstream Rock Songs chart and number 26 on the UK Rock & Metal Singles Chart.  The song has been nominated for "Best Metal Performance" at the 59th Annual Grammy Awards. The Serenity of Suffering is the twelfth studio album by nu metal band Korn, released on October 21, 2016.  According to guitarist Brian Welch, it is "heavier than anyone's heard us in a long time" and that it contains their most intense music in a long time vocally as well. Reggie Young (born December 12, 1936) is an American musician who was lead guitarist in the American Sound Studios Band (a.k.a. The Memphis Boys), and is a leading session musician.  He played on various recordings with artists such as Elvis Presley, B.J. Thomas, John Prine, Dusty Springfield, Herbie Mann, J.J. Cale, Dionne Warwick, Roy Hamilton, Willie Nelson, Waylon Jennings, the Box Tops, Johnny Cash, Jerry Lee Lewis, Merle Haggard, Joey Tempest and George Strait. NYC Busker Ball is an event conceived and organized by busker, musician and artist Theo Eastwind, an active subway performer.  His first NYC Busker Ball, which took place on January 23, 2013, was staged at a nightclub called Spike Hill in Brooklyn, NY, and was organized as a charity event to raise money to be donated to the American Red Cross to assist in their effort to aid those suffering in the aftermath of Hurricane Sandy. "Take Me" is a single by American rock band Korn, off of their studio album "The Serenity of Suffering".  It peaked at number 2 on the "Billboard" Mainstream Rock Songs chart in April 2017.
Answer: Brian Philip Welch