Słowa kluczowe: scordatura, violin technique, 17th-century music, performance practice, Canonesses Regular of St Augustine in Wrocław, vocal-instrumental chapel, Joseph Woelfl, piano, virtuosity, brillant style, Salzburg, Vienna, Warsaw, Paris, London, church music, Johann Baptist Schiedermayr, music in Linz, Classical music , Felix Mendelssohn, Enlightenment, religious pluralism, dialectics, reception, Arnold Schoenberg, Gilles Deleuze, Variations for Orchestra Op. 31, dode¬caphony, difference and repetition, Havergal Brian, Gothic Symphony, Adrian Boult, Martyn Brabbins, Ondrej Lenárd, 20th-century Polish music, music for children, genres of stage music, music pedagogy