Hymn concertato
The Hymn concertato is a genre of
tympani are the usual accompaniment
.
The term seems to be American, although the form appears[Vaughan Williams and Holst as well as possibly to the concertato style motets of the 17th-century German composers whose descendants settled in the midwest.
A compilation of examples: https://web.archive.org/web/20070927152719/http://choralnet.org/resources/viewResource.phtml?id=2437&lang=en&category=1