 Gracenote ikoresha ubuhinga bwayo bwo gutondeka imigwi ku rutonde rwa Euro Club Index, mu gutondeka imigwi itandukanye, hanyuma igakoresha inyabwonko zerekana ibizova mu nkino mwihiganwa ryose kugwiza imiliyoni mukwihweza ingene imigwi izoba ikurikirana mu mpera yihiganwa. 