No compositions by him survive, and his historical importance lies chiefly in his activities as a teacher.
Only 70 compositions (about 7 percent of his working output) survived, some only in handwritten manuscript form, which later had to be transcribed.
No compositions by Soest survive, but contemporary sources mention vocal music for 9 to 12 voices and other pieces.
While he probably wrote a substantial number of works, only four secular compositions survive.
Six sacred compositions and one secular piece by Antonius have survived.
Just one composition of Debono survives as yet.
Of his music, 29 separate compositions survive.
All is polyphonic music for voices; no instrumental compositions have survived, or been attributed to him.
Close to 500 separate compositions survive.
However neither the rest of this letter nor any other compositions of his have survived.