Sunglasses for infants and children includes an elongate integral member including a central portion having a central nose bridge, a lens opening on each side of the central nose bridge, and a temple extending rearwardly of the central portion at a bend in the elongate integral member on each side of the central portion. The triprolidine is administered shortly before a person wishes to fall asleep, preferably orally and most commonly in the form of a tablet containing less than 5 mg, e. Micro Electro Mechanical System switches are used to change the filtering characteristics of several filters, including an anti-aliasing filter and a pre-select and anti-jamming filter. The core software and the driver software each contain interface portions at fixed locations. The present invention encourages novices to learn to play the instrument in stages and eventually remove the invention entirely.