Atlanta rappers 21 Savage and Offset team up with producer Metro Boomin for the surprise album Without Warning, which was released on the 31st of October 2017.

Before Without Warning, the three had already worked together on numerous occasions:

• 21 and Offset were featured on “Start Dying” by 21 and on several tracks by other artists;

• 21 and Metro released a tape together, called Savage Mode;

• Metro worked with Offset producing Migos’ tracks like “Bad and Boujee” and “Clientele”.