| 摘要 |
<p>A music learning aid (1) has a base (2) and a sliding template (3). The template (3) has windows which allow viewing of musical information imprinted on the base (2) at different positions. Each position is selected by being able to view a keynote through a window (5) so that the cut-out slots (4) in the template (3) then show the musical information for that keynote and scale or chord. The musical information may include the musical notation and the musical instrument playing instructions. In another embodiment, a learning aid takes the form of an electronic calculator where different information sets may be displayed on a liquid crystal display according to instructions inputted on a keypad.</p> |
