Since 1996, Irek has contract with Warner Music Poland (WEA) for which he recorded three albums and one compilation so far as MEDUSA:
Albums : 1997 - Story, 1999 - Waterland, 2000 - Exploration
Compilation : 2001 - MEDUSA For DR Irena Eris
In October 2001, the cosmetics company Dr Irena Eris has selected a set of songs on its international promotional CD, "MEDUSA for Dr Irena Eris."
2011 - Free