American rock band Breaking Benjamin has released five studio albums, one compilation album, three extended plays, sixteen singles and ten music videos.
 The group has sold over 7 million units in the United States alone, with three platinum records, two gold records, two multi-platinum singles, two platinum singles, and five gold singles as designated by the RIAA.
 The band signed with Hollywood Records in 2002 following the success of their independently-released eponymous EP, and began recording their first full-length major-label debut "Saturate" shortly thereafter.
 The record peaked at No. 2 on the "Billboard" Heatseekers chart and No. 136 on the "Billboard" 200 chart.
 It was certified gold more than thirteen years later.
 The band's sophomore effort, "We Are Not Alone", released in 2004, peaked at No. 20 on the "Billboard" 200, and was later certified platinum in the United States and gold in New Zealand.
 Breaking Benjamin's third studio album "Phobia" was released in 2006 and reached No. 2 on the "Billboard" 200 chart, No. 1 on the Digital Albums chart, No. 1 on the Rock Albums chart, and was certified platinum nearly three years after its release.
 Breaking Benjamin released their fourth record in late 2009 titled "Dear Agony", reaching No. 1 on the Hard Rock Albums and Modern Rock/Alternative Albums charts, No. 2 on the Rock Albums and Digital Albums charts, and No. 4 on the "Billboard" 200.
 The record was certified gold three months after its release and was eventually certified platinum seven years later.
Jackin' for Beats is the debut mixtape from rapper and actor OhMyGoodness (OMG), son of the rapper Ice Cube.
 The 10-track mixtape was hosted by DJ Crazy Toones, the official DJ for Ice Cube and WC.
 OMG's first debut was on his father's album "I Am The West" with his brother Doughboy.
 In this mixtape, OMG shows similarities to his father’s tone, enunciation and humor, while adding his own vocals over some of the standout tracks of today.
 The title "Jackin' for Beats" bears the same name of an Ice Cube classic that originally appeared on the 1990 EP, "Kill At Will."
Andy Growcott (a.k.a. Stoker) is a former member of the band Dexys Midnight Runners.
 After Dexys split, he and another bandmate, Mickey Billingham, joined General Public.
 Growcott also played with Stephen Tin Tin Duffy in the early 1980s.
 He has since transitioned into a career as a recording engineer, working on albums such as Ice Cube's "Death Certificate".
Straight Outta Compton is a 2015 American biographical film directed by F. Gary Gray, depicting the career of gangsta rap group N.W.A.
 Titled after N.W.A's 1988 debut studio album, the film focuses on members Eazy-E, Ice Cube, and Dr. Dre, and the rise and fall of the group.
 Members of N.W.A were involved in making the film, including Ice Cube and Dr. Dre as producers, as was Eazy-E's widow, Tomica Woods-Wright, while MC Ren and DJ Yella served as creative consultants.
 Ice Cube is portrayed by his son, O'Shea Jackson Jr., with Corey Hawkins as Dr. Dre and Jason Mitchell as Eazy-E.
 Paul Giamatti also stars as N.W.A's manager Jerry Heller.
Trace Adkins is an American country music singer.
 His discography consists of twelve studio albums and six greatest hits albums.
 Of his eleven studio albums, six have been certified by the RIAA: 1997's "Big Time" is certified platinum, 2001's "Chrome", and 2006's "Dangerous Man" are certified gold.
 His 1996 debut "Dreamin' Out Loud" and 2003's "Comin' On Strong" are certified platinum.
 2005's "Songs About Me" is his best-selling album, certified 2× Platinum by the RIAA.
 His first Greatest Hits package, "Greatest Hits Collection, Vol.
 1", is certified platinum, and the second, "" is certified gold.
Death Certificate is the second studio album by American rapper Ice Cube, released on October 29, 1991 by Priority Records and was re-released for the 25th anniversary edition on June 9, 2017 by Interscope Records after Cube announced signing to the label in late May 2017.
 It was highly anticipated with over one million advanced orders.
 The album was certified platinum in sales on December 20, 1991.
The discography of British-Australian singer-songwriter Reece Mastin consists of three studio albums, one extended play, one DVD, nine singles and nine music videos.
 He won the third season of "The X Factor Australia" in 2011.
 Mastin's debut single "Good Night" debuted at number one on the ARIA Singles Chart and was certified five times platinum by the Australian Recording Industry Association (ARIA), denoting sales of 350,000 copies.
 It also peaked at number one on the New Zealand Singles Chart and was certified platinum by the Recorded Music NZ (RMNZ), denoting sales of 15,000 copies.
 Mastin's self-titled debut album, which features "Good Night" and selected songs he performed on "The X Factor", was released on 9 December 2011.
 The album debuted at number two on the ARIA Albums Chart and was certified double platinum for shipments of 140,000 copies.
 It also debuted at number one in New Zealand and was certified gold for sales of 7,500 copies.
Featuring...Ice Cube is a compilation album released by Ice Cube in 1997.
 The material featured on the compilation spans a length of about seven years.
 The earliest tracks are taken from the 1990 album "AmeriKKKa's Most Wanted" while "Bend a Corner Wit Me" was a brand new release at the time.
 The compilation was released while Ice Cube was enjoying notoriety from his recent success with Westside Connection.
 Despite the title, several of the tracks were originally released on Ice Cube's studio albums and featured other artists.
 The album was produced by Ice Cube with A&R and marketing by Joel Conrad Bechtolt and Greg Danylyshn for Priority Records.
 Featuring...Ice Cube was a Billboard Top 40 Hip-Hop/ R&B hit.
Mr. Short Khop, (pronounced "short chop") or simply Short Khop (born Lionel Hunt) is an American rapper.
 He encountered Ice Cube in front of a 7 Eleven convenience store in South Central, California.
 Ice Cube eventually struck a deal with the newcomer, and soon Short Khop made guest appearances in Ice Cube's 1998 "War & Peace - Volume 1 (The War Disc)".
 To return the favor, Ice Cube appeared on Short Khop's debut 2001 album, "Da Khop Shop".
 Khop was mentioned in William Shaw's 1999 book Westsider's.
 To date, he has not released a follow-up to his debut album.
"Drop Girl" is a song by American rapper Ice Cube, and produced by Redfoo for FooCo LLC.
.
 The song, released on July 22, 2014.
 Drop Girl is the sixth single from Ice Cube's upcoming studio album "Everythang's Corrupt".
 The song features guest vocals from American singer Redfoo and fellow rapper 2 Chainz.
 In the chorus, it samples a part of Ice Cube's Today Was A Good Day.

Question: When was the Ice Cube album, on which Andy Growcott worked as a recording engineer, certified platinum in sales ?
Answer: December 20, 1991.