An audio-signal-processing apparatus includes a band-decomposition unit utilizing a band-decomposition characteristic based on the harmonic-tone composition of musical instruments. The high load low load blade assembly also includes a blade holder for holding and loading the blade member against the moving toner image bearing surface. LED lamp may have a lens forward of each LED to collimate the radiation produced by the LEDs into a beam, where at least one lens has at least one aspheric curved surface. A kit for hidden magnetic surface imaging method comprises a magnetic medium, housing layer, adhesive, masking layer, and a strong magnet for reshaping the magnetic field. The training aid also encourages the player to hold the shoulders squared in a horizontal orientation, to form and maintain the protective pocket for the football in the most effective manner.