And in previous years he made, well, a killing.
He made well over 1,000 prints, including etchings, engravings, drypoints, woodcuts, lithographs, and linoleum cuts.
But though his repertory was broad and he made well over 100 recordings, he was at his best in contemporary British music.
He made well over a dozen big films before we ever came along; he had a healthy right to his ego.
Heseltine biographer Brian Collins considers the composer a prime mover in the 20th-century renaissance of early English music; apart from much writing on the subject, he made well over 500 transcriptions of early works.
Dennis knew a lot and he talked a lot about what he knew, but the point was that he could deliver: he made well-crafted and deeply interesting programmes across a broad cultural spectrum.
When war was declared, he made well-meaning but largely ineffectual efforts to play his part, such as taking a team of bloodhounds to Belgium to search out wounded men.
Nowadays he also makes well-crafted music for children, which has now been turned into an app.
He believes he has made well over 700 Atlantic crossings.
Since then, he has made well over 200 startling (and delightful) pieces for sites all over the world — woolly lairs and wild follies, gigantic snares, nests and cocoons, some woven into groves of trees, others lashed around buildings.
