tracks 6, 11 lyrics by Alina Skrzek
tracks 5 lyrics by Roman Brandstaetter
tracks 13 lyrics by Wojciech Bąk
tracks 2, 8, 10, 15 lyrics by, voice His Holiness Pope John Paul II
music by, vocals, organ, keyboards, harmonica Józef Skrzek
producer, photography Zygmunt Mokrzycki
recorded by, mastered by Paweł Czyrka