Siberer was born in Schwaz, Tyrol, and at some point moved to Augsburg, Bavaria, where he became a teacher at the Jesuit Gymnasium of St. Salvator. He lectured in grammar and philosophy, but is remembered today for his organ lessons.
- Schenk, Erich (1975). Mozart: Sein Leben, seine Welt (in German). Amalthea. pp. 15, 24. ISBN 3-85002-057-6.
- Verchaly, André (1958). Les influences étrangères dans l'œuvre de W. A. Mozart (in French). Editions du CNRS. p. 80.
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