Question: Rotting in Vain was featured on a Korn album that, according to Brian Welch, is heavier than anyone's heard them in a long time, and was released when?

Context paragraphs:
List of Korn band members: Korn is a nu metal band from Bakersfield, California, formed in 1993 by James Shaffer, Reginald Arvizu, David Silveria, Brian Welch, and Jonathan Davis.  With the exception of a brief departure of Silveria due to a wrist injury, the band had always performed and recorded with its original five members.  After the departure of guitarist Welch, the band formed a backup band to replace Welch's guitar playing and later Silveria's drumming after his departure in 2006.  The band has also brought in other instruments that previously had not been used by the band such as keyboards and various percussion instruments and backing vocalists. Currently, the only original member not part of the current lineup of the band is Silveria.

See You on the Other Side (Korn album): See You on the Other Side is the seventh studio album by Korn.  It was released on December 6, 2005, by Virgin Records.  It is their first album without long-time guitarist Brian "Head" Welch and the last album with original drummer David Silveria.  The album was first certified gold in the United States on January 12, 2006; a subsequent platinum record certification was awarded on March 16, 2006.  The album is best known for the involvement of renowned production team 'The Matrix', best known for coproduction on works by Avril Lavigne, Britney Spears, and Shakira, who managed to give Korn's music a different sound.

Never Never (Korn song): "Never Never" is a song written and recorded by American nu metal band Korn.  It was released as the lead single from Korn's eleventh studio album, "The Paradigm Shift", on August 12, 2013.  It marks the first Korn single with original co-founding guitarist Brian "Head" Welch since 2004.  The single became Korn's first number one on the Mainstream Rock Songs chart.

Greatest Hits, Vol. 1 (Korn album): Greatest Hits, Vol.  1 is a greatest hits compilation released in October 2004 by American rock band Korn.  The album features select tracks from their first six studio albums presented in reverse chronological order.  There are two previously unreleased songs on the compilation: a cover of Cameo's "Word Up! ", and a compilation of all three parts of Pink Floyd's "Another Brick in the Wall" and "Goodbye Cruel World".  These were the final songs recorded with former guitarist Brian Welch, who left the band shortly after the album's release, until his return in 2013.

Dan Johnson (musician): Dan Johnson is an American drummer for Korn guitarist Brian Welch and Love and Death, is the touring percussionist for Red and was the drummer for rock metal band Back from Ashes and hard rock band The Sammus Theory.

Rotting in Vain: "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 Paradigm Shift: The Paradigm Shift is the eleventh studio album by American nu metal band Korn.  The album was produced by Don Gilmore and was released in the United States on October 8, 2013.  It is the first Korn album to feature original guitarist Brian "Head" Welch since 2003's "Take a Look in the Mirror".

Jasen Rauch: Jasen Rauch ( ) (born April 24, 1981) is an American producer, composer, musician, and writer, best known as the former lead guitarist and current lead guitarist of the alternative rock bands Red and Breaking Benjamin, respectively.  Although no longer an active member of Red, he still writes music for the band.  Rauch is also well-known as the producer for Korn guitarist Brian Welch's solo project, Love and Death.  According to Welch, Rauch "has a great track record for recording, producing, writing, and being in a band", and credits him as an inspiration for his returning to music.  Before joining Breaking Benjamin in late 2014, Rauch also co-wrote several songs on their 2009 "Dear Agony" album, including "I Will Not Bow" and "Lights Out".  Rauch is also a writer for Razor & Tie Music Publishing.

The Serenity of Suffering: 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.

List of songs recorded by Korn: Korn is an American alternative metal band from Bakersfield, California.  Formed in 1993, the band originally featured vocalist Jonathan Davis, guitarists James "Munky" Shaffer and Brian "Head" Welch, bassist Reginald "Fieldy" Arvizu, and drummer David Silveria.  The current lineup of the group includes drummer Ray Luzier, who replaced Silveria in 2009.  The band released its self-titled debut album "Korn" in 1994, which was produced by Ross Robinson and featured equal songwriting credits for the whole band. " Life Is Peachy", released in 1996, included two cover versions – of Ice Cube's "Wicked" and War's "Lowrider", while the band's third album "Follow the Leader" featured collaborations with Limp Bizkit's Fred Durst ("All in the Family") and rappers Ice Cube ("Children of the Korn") and Slimkid3 ("Cameltosis").

Supporting paragraphs: Rotting in Vain The Serenity of Suffering
Answer: October 21, 2016