Music of John and Peter Siestrzencewicz

Our music album: www.kolinder.com/album

Text about our album: www.johnsiest.com/aboutalbum

Extended text about our music: www.johnsiest.com/aboutmusic

Text about our mission: www.johnsiest.com/mission

Tekst about us: www.johnsiest.com/brothers

Photos of us: www.johnsiest.com/photos

This site in Polish-language version: www.jansiest.pl

Contact: john.siest@gmail.com Phone: (+48) 502 117 532

© Copyright by Jan Siestrzeńcewicz 2026 All rights reserved.