EUROZONE MUSIC:

http://www.eurozonemusic.com/en/library/

JAGUAREC:

http://www.jaguarec.pl/

HARVEST MEDIA:

http://www.harvestmedia.net/work/

Allegro Records / Buy CD /:

http://www.allegrorecords.com/product/krzysztof-barcik-my-world-my-dreams-my-music

Maximum Ink / Interview /

http://www.maximumink.com/index.php/articles/permalink/krzysztof_barcik

STOART:

http://stoart.org.pl/

Roland Polska:

http://pl.rolandeasteurope.com/