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 consistency, answers should be in all lower cased letters.

Category: THE SOUND OF MUSIC 
Clue: Poetically, tones are sometimes described adjectivally as this, from the Latin for "sweet"
dulcet

Category: DOT-COM DOOM 
Clue: The release of adverse findings of fact in the case U.S. v. this company helped spur the dot-com bust
microsoft

Category: SPELL IT BACKWARDS 
Clue: Carpenter's tool, or the type of "head" a sensible person has

l-e-v-e-l