1. Poland ( 1979 - present ) TSA ( Tajne Stowarzyszenie Abstynentów - "Teetotallers' Secret Association" ) is a Polish hard rock / heavy metal band founded in 1979 in Opole, Poland. Led by a charismatic singer Marek Piekarczyk, they are known as the pioneers of Polish heavy metal sound. Members:
- Marek Piekarczyk - lead vocals
- Stefan Machel - guitar
- Janusz Niekrasz - bass guitar
- Andrzej Nowak - guitar
- Marek Kapłon - drums Former members:
- Tomasz Zatwarnicki - bass guitar
- Zbyszek Kraszewski - drums


Read more about TSA on Last.fm.