
Peter Lichtenthal, the arranger of this Requiem version, was a versatile author who studied both music and medicine, writing books on topics from dietetics to astronomy.
Mozart had wanted to compose a Requiem for a long time, having written to his father in 1787 that death was the 'true ultimate aim of our life' and a comforting friend.
Elżbieta Sajka-Bachler, the violist and founder of Pandolfis Consort, also studied viola d'amore and is the head of the International Heinrich Ignaz Biber Festival in Vienna.
Mozart left his Requiem unfinished at his death, with only the Introitus fully composed, and other movements completed only in vocal parts or sketches.
Mozart's widow, Constanze, commissioned his students, including Franz Xaver Süßmayr, to complete the Requiem to secure payment and avoid repaying an advance.
Peter Lichtenthal, a contemporary of Mozart, created a string quartet version of the Requiem to promote Mozart's music in Italy, where large ensembles were less common.
Mozart's Requiem was a commission from the wealthy Count Franz von Walsegg, who intended to pass it off as his own composition to honor his deceased wife.