===2016: ''Ashes'' dan remix terkenal===
Pada Februari 2016, Illenium merilis album studio debut berjudul ''[[Ashes (Illenium album)|Ashes]]'', sebagai unduhan gratis dari Seeking Blue Records dan lini cetak miliknya yang baru didirikan, Kasaya Records. Albumnya menampilkan 10 lagu (12 pada versi bonus) termasuk "Reverie" (menampilkan King Deco),<ref name="BBAshes"/> "With You" (menampilkan [[Quinn XCII]]), dan "Fortress" (menampilkan Joni Fatora).<ref name="AstroAshes">{{cite news| last=Reaper| first=Toby| title=Melodic bass music mastermind Illenium releases debut album 'Ashes'| work=Dancing Astronaut| date=February 15, 2016| url=https://dancingastronaut.com/2016/02/melodic-bass-music-mastermind-illenium-releases-debut-album-ashes/| access-date=July 23, 2019| archive-date=August 24, 2022| archive-url=https://web.archive.org/web/20220824184558/https://dancingastronaut.com/2016/02/melodic-bass-music-mastermind-illenium-releases-debut-album-ashes/| url-status=live}}</ref> Albumnya berada di posisi tertinggi ke-6 pada tangga lagu ''Billboard'' kategori [[Dance/Electronic Albums|Top Dance/Electronic Albums]]<ref name="DanceAlbums">{{cite magazine| title =Illenium – Chart History – Top Dance/Electronic Albums| magazine =Billboard| url =https://www.billboard.com/artist/illenium/chart-history/elp/| access-date =July 23, 2019| archive-date =August 24, 2022| archive-url =https://web.archive.org/web/20220824184558/https://www.billboard.com/artist/illenium/chart-history/elp/| url-status =live}}</ref> dan pada posisi ke-19 pada tangga lagu [[Top Heatseekers|Heatseekers Albums]].<ref name="Heat">{{cite magazine| title =Illenium – Chart History – Heatseekers Albums| magazine =Billboard| url =https://www.billboard.com/artist/illenium/chart-history/tln/| access-date =July 23, 2019| archive-date =August 24, 2022| archive-url =https://web.archive.org/web/20220824184558/https://www.billboard.com/artist/illenium/chart-history/tln/| url-status =live}}</ref> Sebuah album remix dari ''Ashes'' dirilis pada Desember 2016, yang pada saat itu Illenium sedang melakukan "Ashes Tour" di beberapa kota di Amerika Serikat.<ref name="NPAshesRemix">{{cite news| last=Bone| first=Brea| title=Illenium Releases 'Ashes Remixes,' Announces Tour Dates| work=Noiseporn| date=December 22, 2016| url=http://noiseprn.com/2016/12/22/illenium-releases-ashes-remixes-announces-tour-dates/| access-date=July 23, 2019| archive-date=August 24, 2022| archive-url=https://web.archive.org/web/20220824184559/http://noiseprn.com/2016/12/22/illenium-releases-ashes-remixes-announces-tour-dates/| url-status=live}}</ref><ref name="DMNW2016">{{cite news| last=Holmberg| first=Emma| title=Illenium's Ashes Tour Hits the Northwest this Winter| work=Dance Music Northwest| date=September 26, 2016| url=http://dancemusicnw.com/ashes-tour-hits-northwest/| access-date=July 23, 2019| archive-date=December 19, 2018| archive-url=https://web.archive.org/web/20181219182701/http://dancemusicnw.com/ashes-tour-hits-northwest/| url-status=live}}</ref>
InIllenium Februaryjuga 2016,merilis Illeniumdua releasedremix histerkenal debutdi studio2016: album,[[The Chainsmokers]]' "Don't Let Me Down" dan [[AshesFlume (Illenium albummusician)|AshesFlume]]'', as"Say aIt" free(menampilkan download[[Tove onLo]]). SeekingRemixnya Blue"Don't RecordsLet andMe hisDown" owndebut recentlypada establishedMaret imprint,2016.<ref Kasayaname="DADon't">{{cite Records.news| last=Hernandez| first=Christina| title=The albumChainsmokers featured– 10Don't songsLet Me Down (12Illenium onRemix)| thework=Dancing bonusAstronaut| version)date=March including10, "Reverie"2016| (featuringurl=https://dancingastronaut.com/2016/03/chainsmokers-dont-let-illenium-remix/| Kingaccess-date=July Deco)23,<ref name2019| archive-date="BBAshes"July 24, 2019| archive-url=https://web.archive.org/web/20190724014859/https://dancingastronaut.com/2016/03/chainsmokers-dont-let-illenium-remix/| url-status=live}}</ref> "WithMeskipun You"awalnya (featuringperilisannya [[Quinntidak XCII]])resmi, andkemudian "Fortress"disertakan (featuringpada Jonikoleksi Fatora)remix resmi The Chainsmokers.<ref name="AstroAshesDA2017">{{cite news | last=ReaperEvenson| first=TobyAustin| title =MelodicHow bassIllenium musicbecame mastermindone Illeniumof releasesthe debutmost albuminfluential 'Ashes'figures in future bass| work=Dancing Astronaut| date =FebruaryJanuary 1525, 20162017 | url =https://dancingastronaut.com/20162017/0201/melodicillenium-reflects-on-leading-the-future-bass-musicscene-mastermindin-illenium2016-releasesand-debutreveals-plans-for-an-even-bigger-album2017-ashesinterview/| access-date =July 23, 2019}}</ref> Pada akhir tahun itu, lagunya telah mengumpulkan lebih dari 60 juta stream di [[SoundCloud]]<ref name="YourDon't">{{cite news| last=Meadow| first=Matthew| title=Illenium's Remix Of "Don't Let Me Down" Suddenly Disappears From Soundcloud| work=YourEDM| date=December 26, 2016| url=https://www.youredm.com/2016/12/26/illeniums-remix-dont-let-suddenly-disappears-soundcloud/| access-date=July 23, 2019| archive-date=AugustApril 2413, 20222019| archive-url=https://web.archive.org/web/2022082418455820190413190637/https://dancingastronautwww.youredm.com/2016/0212/melodic26/illeniums-bassremix-musicdont-mastermindlet-illenium-releases-debutsuddenly-albumdisappears-ashessoundcloud/| url-status=live}}</ref> Thedan albumtetap peakedmenjadi atremix numberyang 6paling onsering thediputar ''Billboard''di [[Dance/Electronicplatform Albums|Toppada Dance/Electronic2018 Albums]]dengan lebih chartdari 101 juta stream.<ref name="DanceAlbumsBBDon't2018">{{cite magazine| titlelast=Reitman| first=IlleniumShelby| –title=Juice ChartWRLD History –Scores Top Dance/ElectronicArtist & Track With 'Lucid Dreams' Albumson SoundCloud 2018 Playback Year-In-Review| magazine =Billboard| urldate=December 6, 2018| url=https://www.billboard.com/artistarticles/illeniumbusiness/chart-historystreaming/elp8489041/soundcloud-2018-juice-wrld-top-artist-track-lucid-dreams| access-date =July 23, 2019| archive-date =AugustJuly 24, 20222019| archive-url =https://web.archive.org/web/2022082418455820190724014859/https://www.billboard.com/artistarticles/illeniumbusiness/chart-historystreaming/elp8489041/soundcloud-2018-juice-wrld-top-artist-track-lucid-dreams| url-status =live}}</ref> andRemix atIllenium number"Say 19It" ondirilis thepada [[TopSeptember Heatseekers|Heatseekers Albums]] chart2016.<ref name="HeatDASay">{{cite magazinenews| titlelast=Hernandez| first=Christina| title=Illenium's –highly-anticipated ChartFlume Historyremix –drops Heatseekersnext Albumsweek| magazinework=Dancing Astronaut| date=BillboardSeptember 1, 2016| url =https://www.billboarddancingastronaut.com/artist2016/illenium09/chartillenium-history/tlnflume-remix/| access-date =July 23, 2019| archive-date =AugustJuly 24, 20222019| archive-url =https://web.archive.org/web/2022082418455820190724014920/https://www.billboarddancingastronaut.com/artist2016/09/illenium/chart-history/tlnflume-remix/| url-status =live}}</ref> AnRemix albumini ofkemudian ''Ashes''memanangkan remixespenghargaan was"Remix released in December 2016, at which time Illenium embarked on thetahun ini"Ashes Tour"pada inElectronic selectMusic citiesAwards acrosspertama thedi UnitedSeptember States2017.<ref name="NPAshesRemixYourEMA">{{cite news| last=BonePowell| first=BreaKarlie| title=IlleniumEMA Releases2017: 'AshesRemix Remixes,'of Announcesthe TourYear – Flume "Say It" Illenium DatesRemix| work=NoisepornYourEDM| date=DecemberSeptember 2223, 20162017| url=httphttps://noiseprnwww.youredm.com/20162017/1209/2223/illeniumema-releases2017-ashesremix-remixesyear-announcesflume-toursay-datesillenium-remix/| access-date=July 23, 2019| archive-date=AugustApril 242, 20222019| archive-url=https://web.archive.org/web/2022082418455920190402084246/httphttps://noiseprnwww.youredm.com/20162017/1209/2223/illeniumema-releases2017-ashesremix-remixesyear-announcesflume-toursay-illenium-datesremix/| url-status=live}}</ref> Pada Oktober 2016, Illenium juga merilis kolaborasi dengan Said the Sky dan [[Seven Lions]] berjudul "Rush Over Me" (menampilkan [[Kelly Sweet|Haliene]]).<ref name="DMNW2016YourRush">{{cite news| last=HolmbergMcGovern| first=EmmaTravis| title=Seven Lions Releases Collaboration With Illenium's Ashes& TourSaid HitsThe theSky, Northwest"Rush thisOver Me" Feat. WinterHaliene| work=Dance Music NorthwestYourEDM| date=SeptemberOctober 2610, 2016| url=httphttps://dancemusicnwwww.youredm.com/ashes2016/10/10/seven-lions-releases-collaboration-illenium-said-sky-tourrush-hitsfeat-northwesthaliene/| access-date=July 23, 2019| archive-date=DecemberJuly 1924, 20182019| archive-url=https://web.archive.org/web/2018121918270120190724014856/httphttps://dancemusicnwwww.youredm.com/ashes2016/10/10/seven-tourlions-hitsreleases-northwestcollaboration-illenium-said-sky-rush-feat-haliene/| url-status=live}}</ref> Lagunya berada pada urutan ke-50 pada tangga lagu ''Billboard'' kategori Hot Dance/Electronic Songs.<ref name="DanceSongs">{{cite magazine| title =Illenium – Chart History – Hot Dance/Electronic Songs| magazine =Billboard| url =https://www.billboard.com/artist/illenium/chart-history/dan/| access-date =September 26, 2019| archive-date =November 17, 2021| archive-url =https://web.archive.org/web/20211117233055/https://www.billboard.com/artist/illenium/chart-history/dan/| url-status =live}}</ref>
Illenium also released two notable remixes in 2016: [[The Chainsmokers]]' "Don't Let Me Down" and [[Flume (musician)|Flume]]'s "Say It" (featuring [[Tove Lo]]). His remix of "Don't Let Me Down" premiered in March 2016.<ref name="DADon't">{{cite news| last=Hernandez| first=Christina| title=The Chainsmokers – Don't Let Me Down (Illenium Remix)| work=Dancing Astronaut| date=March 10, 2016| url=https://dancingastronaut.com/2016/03/chainsmokers-dont-let-illenium-remix/| access-date=July 23, 2019| archive-date=July 24, 2019| archive-url=https://web.archive.org/web/20190724014859/https://dancingastronaut.com/2016/03/chainsmokers-dont-let-illenium-remix/| url-status=live}}</ref> Although the release was initially unofficial, it was later included in The Chainsmokers' official remix collection.<ref name="DA2017">{{cite news | last=Evenson| first=Austin| title =How Illenium became one of the most influential figures in future bass| work=Dancing Astronaut| date =January 25, 2017 | url =https://dancingastronaut.com/2017/01/illenium-reflects-on-leading-the-future-bass-scene-in-2016-and-reveals-plans-for-an-even-bigger-2017-interview/| access-date =July 23, 2019}}</ref> By the end of the year, the song had accumulated over 60 million streams on [[SoundCloud]]<ref name="YourDon't">{{cite news| last=Meadow| first=Matthew| title=Illenium's Remix Of "Don't Let Me Down" Suddenly Disappears From Soundcloud| work=YourEDM| date=December 26, 2016| url=https://www.youredm.com/2016/12/26/illeniums-remix-dont-let-suddenly-disappears-soundcloud/| access-date=July 23, 2019| archive-date=April 13, 2019| archive-url=https://web.archive.org/web/20190413190637/https://www.youredm.com/2016/12/26/illeniums-remix-dont-let-suddenly-disappears-soundcloud/| url-status=live}}</ref> and was still the most played remix on the platform in 2018 with over 101 million streams.<ref name="BBDon't2018">{{cite magazine| last=Reitman| first=Shelby| title=Juice WRLD Scores Top Artist & Track With 'Lucid Dreams' on SoundCloud 2018 Playback Year-In-Review| magazine=Billboard| date=December 6, 2018| url=https://www.billboard.com/articles/business/streaming/8489041/soundcloud-2018-juice-wrld-top-artist-track-lucid-dreams| access-date=July 23, 2019| archive-date=July 24, 2019| archive-url=https://web.archive.org/web/20190724014859/https://www.billboard.com/articles/business/streaming/8489041/soundcloud-2018-juice-wrld-top-artist-track-lucid-dreams| url-status=live}}</ref> Illenium's remix of "Say It" was released in September 2016.<ref name="DASay">{{cite news| last=Hernandez| first=Christina| title=Illenium's highly-anticipated Flume remix drops next week| work=Dancing Astronaut| date=September 1, 2016| url=https://dancingastronaut.com/2016/09/illenium-flume-remix/| access-date=July 23, 2019| archive-date=July 24, 2019| archive-url=https://web.archive.org/web/20190724014920/https://dancingastronaut.com/2016/09/illenium-flume-remix/| url-status=live}}</ref> That remix would go on to win the award for "Remix of the Year" at the first Electronic Music Awards in September 2017.<ref name="YourEMA">{{cite news| last=Powell| first=Karlie| title=EMA 2017: Remix of the Year – Flume "Say It" Illenium Remix| work=YourEDM| date=September 23, 2017| url=https://www.youredm.com/2017/09/23/ema-2017-remix-year-flume-say-illenium-remix/| access-date=July 23, 2019| archive-date=April 2, 2019| archive-url=https://web.archive.org/web/20190402084246/https://www.youredm.com/2017/09/23/ema-2017-remix-year-flume-say-illenium-remix/| url-status=live}}</ref> In October 2016, Illenium also released a collaboration with Said the Sky and [[Seven Lions]] entitled "Rush Over Me" (featuring [[Kelly Sweet|Haliene]]).<ref name="YourRush">{{cite news| last=McGovern| first=Travis| title=Seven Lions Releases Collaboration With Illenium & Said The Sky, "Rush Over Me" Feat. Haliene| work=YourEDM| date=October 10, 2016| url=https://www.youredm.com/2016/10/10/seven-lions-releases-collaboration-illenium-said-sky-rush-feat-haliene/| access-date=July 23, 2019| archive-date=July 24, 2019| archive-url=https://web.archive.org/web/20190724014856/https://www.youredm.com/2016/10/10/seven-lions-releases-collaboration-illenium-said-sky-rush-feat-haliene/| url-status=live}}</ref> That song charted at number 50 on the ''Billboard'' Hot Dance/Electronic Songs chart.<ref name="DanceSongs">{{cite magazine| title =Illenium – Chart History – Hot Dance/Electronic Songs| magazine =Billboard| url =https://www.billboard.com/artist/illenium/chart-history/dan/| access-date =September 26, 2019| archive-date =November 17, 2021| archive-url =https://web.archive.org/web/20211117233055/https://www.billboard.com/artist/illenium/chart-history/dan/| url-status =live}}</ref>
===2017–2018: ''Awake'' dan beberapa penampilan di tangga lagu ''Billboard''===
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