The genre of the song is Hip Hop/Rap and is based on a relationship S4ngo had with a girl who had shown a certain amount of red flags, which is how the song and lyrics came to be. It was recorded in his home studio in Aarhus around summertime. S4ngo has collaborated with U.N.G from HUNNID22. HUNNID22 is a rap group from Denmark won the Red Bull Music "Mit Kvarter" contest. S4ngo has also worked with NS Gang being in their debut music video ’Best Life’. NS Gang is a danish rap group that got signed by Sivas. Red Flags got played on the danish radio station P3 from the day it got released on 11 December 2020.