Question: Dixit Dominus is a psalm setting by who, which was a German, later British, baroque composer who spent the bulk of his career in London, becoming well known for his operas, oratorios, anthems, and organ concertos?
Sentence (from "Nisi Dominus (Handel)"): The name of the piece comes from the first two words (the "incipit") of the psalm, and it is catalogued in the composer's complete works as HWV 238.
Relevant evidence: No