Recording locations and dates:
1: Opole 1968
2: Soczi 1968
3 to 5: Opole 1970
6, 7: Warszawa 1972
8: Opole 1972
9: Warszawa 1973
10 to 12: Radom 1973
13 to 15: Opole 1975
16, 17: Olsztyn 2004