U.S. federal trademark · Serial No. 76630730 · Reg. No. 3454225
Digital instruction system composed of pre-recorded magnetic media including CDs, DVDs, flash memories, cassette tapes and other media capable of storing audio and/or textual material for use with a device designed to read said media and present said pre-recorded audio and/or textual instructional lessons to a user in the fields of piano, guitar and other musical instruments and foreign languages and accompanying printed instructional lessons for self study sold as a unit
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