As a music collection , it's a solid 7/10. As a test of your lossless audio system , it's a 5/10—uneven mastering and potential vinyl-sourced tracks will disappoint. Get the physical CDs and enjoy the nostalgia, not the "audiophile" credentials.
This is a specific release: (likely a 2CD or multi-disc set from 2006, celebrating 25 years of the legendary Polish radio chart Lista Przebojów Programu Trzeciego ).