You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
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Question: Category: MODERN MUSIC 
Clue: His 1998 "Greatest Hits" album made him the first instrumentalist to have 7 consecutive multi-platinum albums

Answer: kenny g


Question: Category: TECHNOLOGY 
Clue: In 1913 this alloy was invented by Harry Brearley of Sheffield, England, a city known for its cutlery since before 1400

Answer: stainless steel


Question: Category: HEALTH & FITNESS 
Clue: Dr. Kenneth Cooper added "S" to a medical adjective to coin this word for the kind of exercise he advocated in a 1968 book

Answer:
aerobics