IMSLP/Public Domain Among other things Lusitano ... and how exceptional he is as a figure," promises composer, conductor and early music specialist Joseph McHardy, a recent Lusitano champion.

In October 2007, Guo voluntarily closed IMSLP after complaints by an Austrian music publisher. Austria extends copyright 70 years after the death of a composer. The site reopened in 2008.

The words he set have a fascinating history too. It’s an ancient text, now best known from its use in Requiem Masses. Composers from Mozart to Verdi have set these words to music for hundreds of years ...