"Ulei și Apă" (Oil and Water) is a single by Romanian hip hop group B.U.G.

The song has been produced by group member Tataee, mixed by Cristi Dobrică, and was released online as a digital single on July 20, 2016.

[1][2] Following the release of Pe Coastă, the group announced the single in a video published on their official Facebook account on May 18, 2016.

[3] It then premiered on the group's official YouTube account two months later, on July 20.

[4] The song features deep house DJ and vocalist Lalla and pop singer So on the chorus.