Question: What member of the band Pendulum also co-wrote a Rihanna song?

full_context: Document 1: Pendulum (drum and bass band): Pendulum is an Australian/British drum and bass and electronic rock band founded in 2002. Pendulum originally formed in the city of Perth, Western Australia by Rob Swire, Gareth McGrillen, and Paul "El Hornet" Harding. The band was later expanded to include members, Ben Mount, Peredur ap Gwynedd, and KJ Sawka. Members Swire and McGrillen also formed the electro house duo Knife Party. The group is notable for its distinctive sound, mixing hard rock with electronic music and covering a wide range of genres.
Document 2: We Found Love: "We Found Love" is a song recorded by Barbadian singer Rihanna from her sixth studio album, "Talk That Talk" (2011). It was written and produced by, and features Scottish DJ Calvin Harris; the song was also featured on his third album "18 Months" (2012). "We Found Love" premiered on September 22, 2011, on the Capital FM radio station in the United Kingdom, and was made available to download on the same day as the lead single from "Talk That Talk". "We Found Love" is an uptempo electro house song, with elements of techno and Europop. The song's lyrics speak of a couple who "found love in a hopeless place".
Document 3: The Island (Pendulum song): "The Island" is the third single from Australian drum and bass band Pendulum to be released from their third studio album, "Immersion". It was released on 19 September 2010. "The Island" is a song split into two parts; "Dawn" and "Dusk", with "Dawn" receiving the majority of radio airplay. In a recent interview, Swire stated that the premise of lyrics has to do with "two young lovers" and how they overcome adversity. The single includes remixes by DJ and record producer Tiësto, and by drum and bass DJ and record producer Lenzman. A Steve Angello, AN21 and Max Vangeli remix of the song was released as a digital single on 24 November 2010. To promote the single, Pendulum also held a remix competition, releasing a free pack of remix stems taken from the "Dawn" part which was won by Madeon at the age of 16. The "Dusk" part uses a sample from Missy Elliott's "I'm Really Hot". Devin Townsend used the song as a structural basis for his song "Save Our Now" from his fifteenth studio album "Epicloud".
Document 4: The Prodigy: The Prodigy are an English electronic music group from Braintree, Essex, formed in 1990 by keyboardist and songwriter Liam Howlett. The first line-up of the band also included Maxim (MC and vocalist), Keith Flint (dancer and vocalist), Leeroy Thornhill (dancer and live keyboardist), and female dancer and vocalist Sharky. Along with The Chemical Brothers, Fatboy Slim, and other acts, The Prodigy have been credited as pioneers of the big beat genre, which achieved mainstream popularity in the 1990s. Their style ranges from rave, hardcore techno, electro-industrial, jungle and breakbeat and big beat, adding punk vocal elements in later works.
Document 5: Periphery (band): Periphery is a Grammy-nominated American metal band based in Washington, D.C., formed in 2005. Their musical style has been described as progressive metal as well as djent. They are considered one of the pioneers of the djent movement within progressive metal. The band consists of vocalist Spencer Sotelo, guitarists Misha Mansoor, Mark Holcomb, and Jake Bowen, and drummer Matt Halpern. Periphery released their self-titled debut in 2010, followed by "" on July 3, 2012. On December 3, 2013 they released a teaser for their EP "Clear", which was subsequently released on January 28, 2014. Periphery's third and fourth studio albums, entitled "" and "" respectively, were released on January 15, 2015. Most recently, Periphery released their third self-titled album, "" on July 22, 2016. All Periphery material is self-produced by the members of the band.
Document 6: Rob Swire: Robert Swire-Thompson (born 5 November 1982) is an Australian singer, songwriter, musician, record producer and DJ, best known as the founder and vocalist of Australian/British drum and bass/electronic rock band Pendulum, as well as DJ and co-founder of electronic dance music duo Knife Party formed of Swire and Gareth McGrillen. Originally from Perth, Western Australia, he relocated to the United Kingdom in 2003 with fellow Pendulum co-founders Gareth McGrillen and Paul "El Hornet" Harding. Swire has since fulfilled a broad spectrum of roles as a member of Pendulum, ranging from song writing to singing while performing live with an unusual guitar-like MIDI controller – Starr Labs' Ztar Z6S-XPA. Swire can also play guitar, bass, keyboards and percussion. He is sometimes referred to by the stage name Anscenic.
Document 7: Talk That Talk (Rihanna song): "Talk That Talk" is a song recorded by Barbadian singer Rihanna for her 2011 studio album of the same name. It features a rap verse by American rapper Jay-Z, who had previously collaborated with Rihanna on her song "Umbrella" in 2007 and "Run This Town" in 2009. The song was written by Jay-Z, Ester Dean, Christopher Wallace, Anthony Best, Sean Combs, and Chucky Thompson together with the Norwegian production duo StarGate. Def Jam Recordings serviced the track to urban radio in the United States on January 17, 2012, as the third single from "Talk That Talk". It was released in France as a CD single on March 26. "Talk That Talk" is a hip hop song with R&B beats, rough drums and unrefined synths, and has a similar style to Rihanna's 2010 single "Rude Boy".
Document 8: Rude Boy (Rihanna song): "Rude Boy" is a song by Barbadian singer Rihanna, taken from her fourth studio album, "Rated R" (2009). It was released as the album's third single on February 19, 2010, through Def Jam. Rihanna co-wrote the song with StarGate, Ester Dean, Makeba Riddick, and Rob Swire, with Swire also co-producing it with StarGate. "Rude Boy" is an up-tempo dancehall and R&B song which incorporates elements of raggamuffin. The song received mixed to positive reviews from critics; some called it is the highlight of the album, but others criticized Rihanna's "monotone" and "icy" vocal performance.
Document 9: S&amp;M (song): "S&M" is a song by Barbadian singer Rihanna from her fifth studio album, "Loud" (2010). The song was released on January 21, 2011, as the fourth single from the album. The American songwriter Ester Dean wrote "S&M" in collaboration with the producers Stargate and Sandy Vee. Backed by bass beats, a keyboard and guitars, it is an uptempo hi-NRG-Eurodance track with lyrics that revolve around sexual intercourse, sadomasochism, bondage, and fetishes.
Document 10: Do Ya Thang (Rihanna song): "Do Ya Thang" is a song by Barbadian recording artist Rihanna, taken from the deluxe edition of her sixth studio album, "Talk That Talk" (2011). It was written by Terius Nash and Rihanna herself, with production helmed by Nash under his stage-name The-Dream. "Do Ya Thang" is an R&B song with prominent influences of music from the 1980s. The song uses "catchy" drum breaks, synths and "funky" and "subtle" hook. Lyrically, it is a complimentary love track that contains "curse" words and a repetitive chorus.
Document 11: Roc Me Out: "Roc Me Out" is a song recorded by Barbadian recording artist Rihanna for her sixth studio album "Talk That Talk" (2011). It was written by Ester Dean, Robert Swire, Gareth McGrillen, Mikkel S. Eriksen and Tor Erik Hermansen. The track was produced by StarGate (Eriksen and Hermansen) and Knife Party (Swire and McGrillen). "Roc Me Out" is a synthpop-influenced R&B song reminiscent of Rihanna's previous singles "Rude Boy" and "S&M". It is set in "chugging" tempo and features heavy synths, "contagious" hooks and West Indian nuances. Lyrically, the song features Rihanna sexually seducing her lover, while revealing her "nasty secrets". Contemporary music critics were divided in their reviews of "Roc Me Out"; some of them labeled the song as a highlight on the album, while others criticized its similarity to Rihanna's previous singles. Upon the release of "Talk That Talk", the song debuted on the lower regions of the singles charts in South Korea and the United Kingdom at number 73 and 176 respectively.
Document 12: Talk That Talk: Talk That Talk is the sixth studio album by Barbadian singer Rihanna, released on November 18, 2011, by Def Jam Recordings and SRP Records. It was recorded while traveling for the Loud Tour between February and November 2011, and was originally planned to be a reissue of her previous studio album "Loud" (2010). As executive producer, Rihanna enlisted a wide range of producers including Alex da Kid, Calvin Harris, Chase & Status, No I.D., and StarGate to achieve her desired sound. Following in the same vein as "Loud", "Talk That Talk" is a dance-oriented pop/R&B crossover album that incorporates elements of hip hop, dubstep, electronic and house music. The album also continues to have subtle dancehall genres, whilst its lyrical content and themes revolve around a nihilist, romantic and lascivious lover.
Document 13: Boom Crash Opera: Boom Crash Opera are an Australian pop rock band formed in early 1985. Initially they were based around the songwriting partnership of Richard Pleasance on guitar, bass guitar and vocals; and Peter Farnan on guitar, bass guitar, keyboards, and vocals. Pleasance developed tinnitus from constant exposure to loud live music & left in 1992 to pursue a solo career as an artist & producer. In March 2015 Dale Ryder informed the band he was leaving. His last gig with them was November 2015. On March 6, 2016 the band informed their fans of Ryder's decision to leave the group by placing a link to a Noise 11 article on their Facebook page. The article also announced that Ryder would be replaced by ex-CDB and Australia's Got Talent winner Andrew De Silva. The group also includes Peter 'Maz' Maslen on drums, percussion and vocals; Greg O'Connor on keyboards and guitar; and from 1992 Ian Tilley on bass guitar and vocals.
Document 14: Pnau: Pnau stylised as PNAU is an Australian dance music trio originating from Sydney, Australia. The trio, a duo before 2016, consists of musicians Nick Littlemore (vocals, production), Peter Mayes (guitar, production) and Sam Littlemore (production), with Sam joining in 2016. The pair have achieved multiple successes throughout their career with their award-winning debut album "Sambanova", their widely acclaimed 2007 release "Pnau". Pnau is also recognized for their heavily publicized apprenticeship under musician Elton John, who signed the duo after listening to their record "Pnau". Several of Pnau's recent projects have featured John's involvement, such as Pnau's album "Soft Universe" and an album featuring Pnau recreations of Elton John's hits called "Good Morning to the Night".
Document 15: Download (band): Download is a Canadian electronic music group formed by Dwayne Goettel and cEvin Key of Skinny Puppy in 1994. The initial lineup also included Off & Gone's Phil Western and Mark Spybey of Dead Voices on Air, but has since been particularly fluid, with Key and Western being the only constant members following Goettel's death. Download's music has been described as post-industrial, drawing from the band's genesis as part of Skinny Puppy but also sharing common stylistic ground with such artists as Aphex Twin and Autechre. The primary instrumentation common throughout their albums is a blend of synthesizers and sampled instruments; the music is particularly centered on elements of percussion and rhythm.
ground_truth: Gareth McGrillen