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.

[Q]: Category: POP STARS 
Clue: He was backed by London's royal philharmonic concert orchestra on his 2010 tour, which he called "Symphonicity"
[A]: sting


[Q]: Category: WORD ODDITIES 
Clue: This Britishism, a homophone of a letter in the alphabet, has one consonant followed by a line of 4 vowels
[A]: queue


[Q]: Category: INVENTORS 
Clue: Mainz, Germany celebrates the life of this inventor in an annual festival called Johannisnacht
[A]:
johannes gutenberg