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...change its frequency. [soft, high note] [soft, low note] Soft high note vs soft low note diagram If producing a note is so simple, why do the sounds made by each instrument in an orchestra or band sound so different? The pitch is the degree of highness or lowness of a musical note. The pitch depends on how rapid the vibrations are i.e. how high the frequency is. A higher...

...change at a time and tested each new product on his father who had rheumatism, until in 1898 he arrived at a product that was as effective as salicylic acid, but lacked the severe irritation and taste problems. This new material was given the name aspirin and, after further clinical trials was manufactured and marketed by the company Bayer, as the first medicinal drug to...