Question: Untitled (or box set) is a box set compilation of songs released by which British musician, songwriter, and producer under the pseudonym Bass Communion, which English musician and record producer, most associated with the progressive rock genre?
Sentence (from "Untitled (Bass Communion Box)"): Untitled (or box set) is a box set compilation of songs released by British musician, songwriter, and producer Steven Wilson under the pseudonym Bass Communion.
Relevant evidence: Yes