[1] Jaehn achieved international success with their remix of OMI's song "Cheerleader", which topped the charts in multiple countries and reached number-one on the Billboard Hot 100 in 2015.

[2] Felix Kurt Jähn was born in Hamburg and raised in Schönberg, near Wismar in Mecklenburg-Vorpommern, Germany.

Jaehn lived in London for a year, where they attended Point Blank Music College at the age of 17.

[11] In 2018, NOTD and Jaehn released the single "So Close", with a music video that starred Sports Illustrated Swimsuit cover girl Camille Kostek.

[14] The album features guest vocals by Marc E. Bassy, Gucci Mane, Jasmine Thompson, Polina, Alma, and Herbert Grönemeyer.

"[15][16] In February 2021, Jaehn confirmed in an interview with radio station Energy that they had been in a relationship with a man since the summer of 2020 and that the two met via Tinder.