There are multiple artists using this name.

1. TSA ( Tajne Stowarzyszenie Abstynentów - "Teetotallers' Secret Association" ) (1979 - 2013) 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.

2. TSA is an active punk band from San Francisco, California that's pretty S.A.F. They play frequently at various house parties and public parks in the city, and have a few recordings out. They're bad dudes who make good music. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.