A company called Tune Hunter accused music-finding service Shazam as well as a host of consumer electronics makers, wireless service operators, and digital music retailers of infringing on its patent on a music identification system. Shazam is named along with Samsung, Apple, Amazon.com, Napster, Motorola, Gracenote, Verizon Wireless, LG Electronics, AT&T Mobility, and Pantech Wireless.