Abstract: A harmonica including at least a comb including a plurality of chambers, a first plate including a plurality of blow reeds, a second plate including a plurality of draw reeds, the harmonica wherein each chamber of the plurality of chambers includes at least one material projection, each material projection being configured to reduce the oscillatory space of a draw reed, and in that it includes at least one additional plate arranged above the first plate and including a plurality of additional material projections, each additional material projection of the plurality of additional material projections being configured to reduce the oscillatory space of a blow reed.

Abstract: A harmonica including at least: a comb having a plurality of chambers; a first plate having a plurality of blow reeds; a second plate having a plurality of draw reeds. Wherein each chamber of the plurality of chambers has at least one material projection, each material projection being configured to reduce the oscillatory space of a draw reed; and in that the harmonica has at least one additional plate arranged above the first plate and has a plurality of additional material projections, each additional material projection of the plurality of additional material projections being configured to reduce the oscillatory space of a blow reed.

Abstract: A harmonica including at least: a comb having a plurality of chambers; a first plate having a plurality of blow reeds; a second plate having a plurality of draw reeds. Wherein each chamber of the plurality of chambers has at least one material projection, each material projection being configured to reduce the oscillatory space of a draw reed; and in that the harmonica has at least one additional plate arranged above the first plate and has a plurality of additional material projections, each additional material projection of the plurality of additional material projections being configured to reduce the oscillatory space of a blow reed.

Abstract: The invention may involve using an artificial intelligence engine to provide beauty advice. Beauty advice may include a recommendation for a product. The recommended product may be complementary to a second product. The second product may be a user-selected product. A notification of the recommended product may be provided to the user.

Abstract: Systems, methods, and products may employ a module for use in constructing the first and second websites, such that, using the same module, the first and second websites may incorporate common information while each incorporating information unique to each website. In this way, a brand owner might construct a single module that may be used in the websites of multiple resellers. A single change to the module might then update multiple reseller websites.

Abstract: The invention may involve using an artificial intelligence engine to provide beauty advice. Beauty advice may include a recommendation for a product. The recommended product may be complementary to a second product. The second product may be a user-selected product. A notification of the recommended product may be provided to the user.

Abstract: The invention may simulate application of selected beauty products and recommended products on a facial image. After a user inputs information, an artificial intelligence engine may recommend a product complementary to the user-selected product. Both the user-selected product and/or the recommended product may be displayed on the facial image.