Atmosphere is an American hip-hop duo from Minneapolis, Minnesota, consisting of rapper Slug and DJ/producer Ant. Since its formation in 1996, the group has released thirteen studio albums and ten extended plays.

Sean Michael Daley, better known by his stage name Slug, is an American rapper from Minneapolis, Minnesota. Slug is best known as one-half of the hip-hop group Atmosphere, which he founded with Derek Turner (Spawn). Turner has since left and Anthony Davis (Ant) produces Atmosphere with Slug. In 1995, Slug, in collaboration with Anthony Davis, Musab Saad, and Brent Sayers founded the Minneapolis-based independent hip hop record label Rhymesayers Entertainment.