A book cover which may be used in the manufacture of durable, high quality softbound or hardbound books is disclosed which is constructed of a transparent or semi-transparent cover sheet having opposed first and second surfaces. The transmission-reception processor performs transmission and reception processing of ultrasound with respect to the carotid artery. , until all desired substrates are patterned. The second boot loader is executed if the first message authentication code is valid. The internal cover conducts heat to the frame that is operably generated by the solid state memory component. These models can then be applied to other music which has not been judged by the group of listeners to give to each piece of music a set of scalar values based on human perception.