Koen Heldens is a Dutch mixing engineer. He is credited on multiple multi-platinum songs and has received American Music Award and Billboard Music Awards alongside a Grammy Award nomination.

Early life and education Originally from the Netherlands, Heldens began music school at the age of 6, attended the Venray School of Music, and accelerated through his teenage years as a music producer and classically trained pianist.

He moved to Los Angeles at 19 to start a career in the music business.

Career Heldens started his career in 2003, and rose to prominence in 2017 when he started working with the late XXXTentacion, with whom he earned a Guinness World Record for most streamed song in a single day for the Billboard Hot 100 #1 single "Sad!"

Heldens has worked with Beyoncé, Lil Wayne, Joe Budden, Missy Elliott, Fat Joe, Rihanna, J-Lo, Run DMC, Dr. Dre, Dreezy, En Vogue, Kid Ink, Lecrae, Sizzla, Timbaland, TLC's T-Boz, and Wiz Khalifa.

Heldens has been nominated for a Grammy Award, and has won an American Music Award and a Billboard Music Award.

He is often called upon to teach and speak on panels for music companies such as the National Association for Music Merchandisers (NAMM) and Avid's Pro-Tools. He also reviews plugins and new technologies for "quality and accuracy" for various companies.

Discography highlights Singles mixed +List of singles as mixer, with selected chart positions and certifications, showing year released, performing artists and album nameTitle YearPeak chart positionsCertificationsAlbumUSUS R&BUS RapARGCANFRAUKNZSWEGER"Jocelyn Flores" XXXTentacion201719 —10 —14383947 — United States (RIAA): 8× Platinum Denmark (IFPI Denmark): 2× Platinum France (SEP): (10× Platinum) Diamond Germany (BVMI): Platinum Italy (FIMI): 2× Platinum New Zealand (RIANZ): 6× Platinum Spain (PROMUSICAE): Platinum United Kingdom (BPI): 2× Platinum Greece (IFPI Greece): Platinum17"A Ghetto Christmas Carol" XXXTentacion—"A Ghetto Christmas Carol" did not enter the Billboard Hot 100, but peaked at number 13 on the Bubbling Under Hot 100 Singles chart.—"A Ghetto Christmas Carol" did not enter the Billboard Hot R&B/Hip-Hop Songs chart, but peaked at number four on the Bubbling Under R&B/Hip-Hop Singles chart.—————"A Ghetto Christmas Carol" did not enter the NZ Top 40 Singles Chart, but peaked at number 10 on the NZ Heatseeker Singles Chart.——— United States (RIAA): PlatinumA Ghetto Christmas Carol EP"Fuck Love (ft. Trippie Redd)" XXXTentacion2018283 - -3170891935 - United States (RIAA): 11× Platinum) Denmark (IFPI Denmark): Platinum France (SEP): Diamond Italy (FIMI): Platinum New Zealand (RIANZ): 3× Platinum Spain (PROMUSICAE): Platinum United Kingdom (BPI): Platinum17"Sad!" XXXTentacion111 -22753312 United States (RIAA): Diamond (10× Platinum) Australia (ARIA): 5× Platinum Belgium (BEA): 2× Platinum Brazil (Pro-Música Brasil): 3x Diamond Canada (Music Canada): 3× Platinum Denmark (IFPI Denmark): 2× Platinum France (SEP): Diamond (10× Platinum) Germany (BVMI): Platinum Italy (FIMI): 2× Platinum Mexico (AMPROFON): Platinum Netherlands (NVPI): 2× Platinum New Zealand (RIANZ): 5× Platinum Norway (IFPI Norway): 2× Platinum Portugal (AFP): 3× Platinum Poland (ZPAV): 3× Platinum Spain (PROMUSICAE): Platinum United Kingdom (BPI): 2× Platinum Greece (IFPI Greece): Platinum Sweden (GLF): 2× Platinum?"Arms Around You (ft. Swae Lee & Maluma)" XXXTentacion & Lil Pump282 -1413251415816 United States (RIAA): Platinum Australia (ARIA): Platinum Denmark (IFPI Denmark): Gold France (SEP): Platinum Germany (BVMI: Gold Italy (FIMI): Platinum New Zealand (RIANZ): Platinum Poland (ZPAV): Gold Portugal (AFP): Platinum Spain (PROMUSICAE): Gold United Kingdom (BPI): Gold"Reach 4 Me" En Vogue——"Reach 4 Me" did not enter the Billboard Hot R&B/Hip-Hop Songs chart, but peaked at number sixteen on the Adult R&B Songs chart.————————Electric Café (En Vogue album)"Porsches In The Rain" YBN (collective)——————————YBN: The Mixtape"Think Twice (ft. Lil Skies)" YBN (collective)——————————"Royalty (XXXTentacion song) (ft. Ky-Mani Marley, Stefflon Don & Vybz Kartel)" XXXTentacion2019——"Royalty" did not enter the Billboard Hot R&B/Hip-Hop Songs chart, but peaked at number ten on the Bubbling Under R&B/Hip-Hop Singles chart.——————"Royalty" did not enter the NZ Top 40 Singles Chart, but peaked at number eight on the NZ Hot Singles Chart.——Bad Vibes Forever"How You Feel? (ft. Danny Towers, Lil Yachty & Ski Mask the Slump God)" DJ Scheme2020—————————— United States (RIAA): GoldFamily"Breakshit" Jasiah—————————— United States (RIAA): GoldWAR"Angst" Apache 2072021—————————1 Australia (ARIA): Gold Germany (BVMI): Gold"Tu Nicht So" Badmómzjay—————————10Badmómz."Strip (Lena song)" Lena Meyer-Landrut—————————70Loyal to Myself"Rosenkrieg" Loredana Zefi & Mozzik—————————1No Rich Parents"Oh, Digga" Loredana Zefi & Mozzik—————————27"Nese Don" Loredana Zefi & Mozzik—————————10"Mit Mir" Loredana Zefi & Mozzik—————————12"2Sad2Disco" Apache 207—————————72Sad2Disco"Vodka" Apache 207—————————1 Australia (ARIA): Gold"Thunfisch & Weinbrand" Apache 207—————————13"Sport" Apache 207—————————10 Germany (BVMI): Gold"Feuer" Monet 192—————————70Kinder der Sonne"Vorbei" Monet 192—————————53"Sterne" Monet192—————————70"Narben" Monet192—————————78"Bein Chula" Khea———69——————"FVCKBOI (ft. Lenny Tavárez)" Khea——————————"Outro (ft. FMK)" Khea——————————"Pa Co (ft. Lit Killah & Rusherking)" Khea——————————"Kippe Im Wind" Monet1922022—————————66Champions Club"Keine Tränen" Badmómzjay—————————8Survival Mode"Ain't Safe (ft. Don Toliver)" Trippie Redd98—17—————10—"Piza met Ananas" Snelle—————————— Netherlands (NVPI): Gold1/3"Sigue La Fiesta" Justin Quiles, Dalex, Santa Fe Klan2023——————————Fast X (soundtrack)"Get Back" YTB Fatt——————————* United States (RIAA): GoldWho Is Fatt"Después del Party" Dalex——————————Reggaeton Sex"Perreándote (ft. Ryan Castro & Symon Dice)" Dalex——————————"Bora Bora" Dalex——————————"El DJ (ft. Trébol Clan & DJ Joe)" Dalex——————————"Down" Dalex——————————"Me Llora" Dalex——————————"Amiga" Dalex——————————"Took My Breath Away (ft. Skye Morales)" Trippie Redd———————26——A Love Letter to You 5"Last Days" Trippie Redd———————30——"Left 4 Dead" Trippie Redd——————————"Take Me Away (ft. Corbin (musician))" Trippie Redd———————40——"Closed Doors (ft. Roddy Ricch)" Trippie Redd———————22——"Wind (ft. the Kid Laroi)" Trippie Redd———————25——"Sick To my Stomach" Natalie Jane2024——————————Sick To My Stomach EP"June" Natalie Jane——————————"Low" KSI——————————Thick of It/Low"Whoa (Mind in Awe) Remix" XXXTentacion & Juice Wrld2025—1625———————"Easy (ft. Lay Zhang)" JVKE——————————The Asia Tour: Blooming Season EP"Just Because" Leah Kate——————————"Better Than Me (Wonho song)" Wonho——————————Syndrome (Wonho album)"Good Liar" Wonho——————————"If You Wanna" Wonho——————————"Act I: It Doesn't Take a Genius (To Ruin Everything)" Leah Kate——————————Genius"Act II: Too Hot To Learn My Lesson" Leah Kate——————————"Act III: Self-Destruction Counts as Character Development" Leah Kate——————————"Pop Out (ft Kabu)" InntRaw & Lil Pump——————————"Growing Pains" Monsta X2026——————————unfold"Aligned" Anna Margo——————————Swings"Selfish" Anna Margo——————————"Paperbag Boy (ft. Young Thug" Trippie Redd——————————NDA_(album)"—" denotes a recording that did not chart or was not released in that territory.

Other charted & certified songs {| class="wikitable plainrowheaders" style="text-align:center;" |+ List of songs as mixer, with selected chart positions and certifications, showing year released, performing artists and album name ! scope="col" rowspan="2" style="width:18em;" | Title ! scope="col" rowspan="2" | Year ! scope="col" colspan="3" | Peak chart positions ! scope="col" rowspan="2" style="width:12em;" | Certifications ! scope="col" rowspan="2" | Album |- ! scope="col" style="width:3em;font-size:90%;"| US ! scope="col" style="width:3em;font-size:90%;"| USR&B ! scope="col" style="width:3em;font-size:90%;"| USRap |- ! scope="row"| “Up Like An Insomniac”XXXTentacion |rowspan="2"|2017 | — || — || — | United States (RIAA): Gold |rowspan="2"|A Ghetto Christmas Carol E.P. |- ! scope="row"| “Hate Will Never Win“XXXTentacion | — || — || — | United States (RIAA): Gold |- ! scope="row"| "Whoa (Mind in Awe)"XXXTentacion |rowspan="4"|2018 | 37 || 3 || — | United States (RIAA): Platinum New Zealand (RMNZ): Platinum |rowspan="4"|Skins |- ! scope="row"| "I Don't Let Go"XXXTentacion | 51 || 17 || 22 | United States (RIAA): Gold |- ! scope="row"| "One Minute (ft. Kanye West & Travis Barker"XXXTentacion | 62 || — || 23

! scope="row"| "Staring At The Sky"XXXTentacion | 68 || — || 12

Awards and nominations

Guinness World Records {|class="wikitable sortable" |- ! Publication ! Country ! Song ! Record |- | Guinness World Records | style="text-align:center;"| World Wide | XXXTentacion "Sad!" | Most Streamed Song in a Single Day

Grammy Awards

! |- |2020 | Spider-Man: Into the Spider-Verse (soundtrack) | 62nd Annual Grammy Awards Grammy Award for Best Compilation Soundtrack for Visual Media | |rowspan="1"|

American Music Awards

! |- |2018 | 17 (as mixer) | Favorite Album – Soul/R&B | |rowspan="1"| |- |2019 | Spider-Man: Into the Spider-Verse (soundtrack)(as mixer) | American Music Award for Top Soundtrack | |rowspan="1"|

Billboard Music Awards

! |- |2018 | 17 (as mixer) | Top Album – R&B | |rowspan="1"| |- |rowspan="6"|2019 | Spider-Man: Into the Spider-Verse (soundtrack) (as mixer) | Top Soundtrack | |rowspan="6"| |- | ? (as mixer) | Top 200 Album

| ? (as mixer) | Top Rap Album

| 17 (as mixer) | Top R&B Album

| "Sad!" (as mixer) | Top Streaming Song (audio)

| "Sad!" (as mixer) | Top Streaming Song (video)

BET Hip-Hop Awards

! |- |2019 | YBN: The Mixtape (as mixer) | BET Hop-Hop Award for Best Mixtape | |rowspan="1"|

NAACP Image Awards

! |- |2019 | Spider-Man: Into the Spider-Verse (soundtrack) (as mixer) | 50th NAACP Image Award for Outstanding Soundtrack/ Compilation | |rowspan="1"|

Edison Pop Awards

! |- |2024 | Meau - 22 | Nederlandstalig | |rowspan="1"|

See also Audio mixing

External links http://www.mixedbykoenheldens.com/ https://genius.com/artists/Koen-heldens https://credits.muso.ai/profile/7a329c5c-a33b-46fa-9778-ffc11fd96ed2/credits https://www.allmusic.com/artist/koen-heldens-mn0003695847 https://music.apple.com/us/playlist/koen-heldens-the-engineers/pl.d4d2eec867ee464b827c8dde3fe740b9

References