Colloquial English Idioms

fiddling whileRome burns
If you say that someone is fiddling while Rome burns, you mean that they are doing unimportant things while there are serious matters to be dealt with. His visit to the trade fair was "fiddling while Rome burns" according to the strikers.
Jazz something up		If you jazz something up, you add something to try to improve it or make it more stylish. The dress needs a scarf or a necklace to jazz it up.
allthat jazz		This expression means 'all that stuff', 'other similar things', or 'everything of that kind'. Let's get out the tinsel, the fairy lights and all that jazz to decorate the Christmas tree.
music to one's ears		To say that something is music to your ears means that the information you receive makes you feel very happy. His compliments were music to my ear.
Face the music		When a person has to face the music, they have to accept the unpleasant consequences of their actions. He was caught stealing. Now he has to face the music.
strike a false note		If you strike a false note, you do something wrong or inappropriate. He struck a wrong note when he arrived at the cocktail party wearing old jeans.