A method of processing audio information for broadcast to an audience can include changing first audio information from occurring in a first time interval to occurring in a second time interval to provide time-changed audio information. Constructions and methods are disclosed for forming testing apparatus comprising an engagement probe having an outer surface comprising a grouping of a plurality of electrically conductive projecting apexes positioned in proximity to one another to engage a single test pad on a semiconductor substrate. This device provides for the training of the brim of a hat to a particular degree of curvature as desired by the wearer and as selected from the multiple rings of varied diameters of the device.