Prof. Michał Sławecki is an organist, composer, conductor, and gregorianist. He studied Church Music at the Fryderyk Chopin Academy of Music in Warsaw (organ – Magdalena Czajka, conducting – Sławek A. Wróblewski), and Composition in class of Professor Stanisław Moryto, obtaining diplomas with honours. In the academic year of 2006–2007 he studied at Conservatorio di Musica A. Casella in L’Aquila, Italy and completed an internship at Pontificio Istituto di Musica Sacra in Rome. In 2012 he defended his DA thesis entitled The Roman and Franconian topos. The performance aspect based on the selected pieces.

Prof. Sławecki currently serves as the dean of the Church Music Department at his alma mater in Warsaw, and his research is focused on the interpretation of the Western liturgical monody based on the oldest adiastematic sources in the spirit of Dom Eugène Carine (Gregorian semiology, semio-modality, semio-aesthetics, Bewegungstendenz).

He is a member of the Italian and Polish section of Associazione Internazionale Studi di Canto Gregoriano and the Association of Polish Church Musicians. He is very active in the field of promoting Gregorian singing through courses, concerts and ceremonial liturgies in Poland and abroad.