http://www.backstage.com.pl
  / backstage.acoustic  
Grzegorz Stepien - vocal, guitar
Krzysztof Piotrowski - backing vocal, guitar

Filmed by PascalVideoProduction (PVP)
Video editing, & Artwork PascalVideoProduction (PVP)
Music arrangement, recording, mix, mastering - Grzegorz Stepien
(http://www.independentmusic.pl)