Onyx Oxide Entertainment features music composed by Alexander Cromwell.

On April 20, 2025 Onyx Oxide released Oxidize, a largely sample based album with a jungle and drum and bass style and largely devoid of lyrics.

On June 30, 2025 Onyx Oxide Entertainment rereleased nearly 200 tracks composed by Alexander Cromwell for free download in a convenient .zip folder.
These tracks were originally released between 2014 and 2024.

Onyx Oxide Entertainment released a enhanced version of Alexander Cromwell’s 2024 EP, Augmented Illusions on July 10, 2025.
The songs were remastered with the aid of audio processing plugins that made a couple of the mixing decisions on their own.