Since then, Levin has contributed to albums and singles that have sold a cumulative 500 million album-equivalent units; having produced or co-written for Ed Sheeran, BTS, Eminem, Justin Bieber, Halsey, Katy Perry, Maroon 5, Christina Aguilera, Kesha, Britney Spears, Rihanna, Sia, The Weeknd, Kanye West, Avicii, Selena Gomez, Adam Lambert, Charlie Puth, Keith Urban, OneRepublic, Wiz Khalifa, J Balvin, Ariana Grande, Kali Uchis, Juice Wrld, and SZA, among others.

[6] A deluxe issue, titled Friends Keep Secrets 2 was released in March 2021, a date which coincided with the original receiving platinum certification by the Recording Industry Association of America (RIAA).

[7] Blanco has founded two labels as imprints of Interscope Records—Mad Love Records and Friends Keep Secrets—in 2014, through both of which he has signed artists including Tory Lanez, Jessie Ware, and Cashmere Cat, among others.

[16] While under Dr. Luke's tutelage, Blanco co-produced and co-wrote many songs, including hits such as Katy Perry's "Teenage Dream", Kesha's "TiK ToK", and Taio Cruz's "Dynamite".

[18] In 2011, Blanco wrote and produced his first charting hits without Dr. Luke, among them Maroon 5's "Moves Like Jagger", Gym Class Heroes' "Stereo Hearts" and 3OH!3's "Don't Trust Me".

"[21] In the years since, Blanco has amassed 29 total number-one songs and is recognized for his achievements with artists including BTS, Gracie Abrams, Ed Sheeran, Justin Bieber, The Weeknd, Selena Gomez, Ariana Grande, Britney Spears, Lana Del Rey, Miguel, Halsey, and Camila Cabello.

In July 2018, Blanco released his debut song as a standalone solo artist, "Eastside" featuring Halsey and Khalid, on his own label Friends Keep Secrets with Interscope Records.

[23] Later in 2018, he released his second, third, and fourth singles: "I Found You" with Calvin Harris, "Better to Lie" with Jesse and Swae Lee, and "Roses" with Juice Wrld featuring Brendon Urie, respectively.

[7] On August 5, 2022, Blanco released his first artist collaboration with BTS members Jin, Jimin, V, and Jung Kook as well as Snoop Dogg titled "Bad Decisions".

The first episode featured a behind-the-scenes visit to fellow YouTuber Kenny Beats's show The Cave where Blanco teaches Matheson to rap.

The book is a guide to entertaining and features Blanco's own recipes as well as dishes and advice from friends including Matty Matheson, Lil Dicky, Mike Solomonov, Mario Carbone and Eric André.

[51] Blanco has written and produced songs for artists including Ed Sheeran ("Don't" and "Castle on the Hill"),[93] Justin Bieber ("Love Yourself"), Major Lazer ("Cold Water"), Maroon 5 ("Moves Like Jagger", "Payphone", "Maps", "Animals", "Don't Wanna Know"), Katy Perry ("Teenage Dream", "California Gurls"), Rihanna ("Diamonds"), Kesha ("TiK ToK"), Taio Cruz ("Dynamite"), Wiz Khalifa ("Work Hard, Play Hard"), Gym Class Heroes ("Stereo Hearts"), Lil Dicky ("Freaky Friday"), Tory Lanez ("Luv").