He has also composed sacred music for organ, choir, and orchestra, and is known for parodies in the style of Bach, Haydn and Mozart, as P.P.

At the Vienna Academy of Music, he studied organ, composition and improvisation with Anton Heiller, piano with Hilde Seidlhofer, and conducting with Hans Gillesberger.

[1][2] Subsequently, he worked for a year in an organ workshop (intonation and assembly), and in 1968 he was organist in the Upper Austrian Stift Schlägl [de].

[1] Concert tours and master classes took Planyavsky to many European countries, Japan, Australia, South Africa, Hong Kong, Korea, Canada and the United States.

[1] In his master classes he has focused on Anton Heiller, Johannes Brahms, Felix Mendelssohn and Baroque music, with an emphasis on improvisation and liturgical organ playing.

[6] As J.P. Haydn he composed the Ankunftssymphonie in 1987, as W. A. Plagiavsky Mozart Vier Stücke für die Trompetenuhr (Four pieces for the trumpet clock) in 1989.