Interactive video game programs; downloadable electronic game programs; downloadable content updates for electronic game programs; downloadable virtual goods in nature of musical instruments for use in virtual environments; downloadable computer and video game software featuring rhythm games; downloadable computer and video game software featuring karaoke games; downloadable computer and video game software featuring music-based or music-themed games; interactive video games of virtual reality comprised of computer hardware and software for use in simulating musical instruments; player-operated electronic game controllers designed to simulate musical instruments for use in video games; downloadable virtual goods, namely, digital artwork, photographs, videos, and/or audio recordings featuring music and musical instruments; downloadable digital artwork and images relating to music or musical instruments