Zsigmond Szathmáry’s “Dies irae” for organ and percussion produces an immense impact on listeners with its advanced sonorities. Accordingly, it imposes very high demands on the performers.

“Dies irae, dies illa, solvet saeclum in favilla” (Day of wrath, that day, will dissolve the world in ashes) comprises a 17-stanza medieval sequence dealing with Judgment Day that forms the emotional climax of the Latin Mass for the Dead. In his commentary on this work, the composer describes his childhood...