Making Brandy out of bad red wine

[Karmic]

Hi, I got a few cases of Shiraz Cabernet which is not that flash and I was thinking about making Brandy out of bad red wine. I got the wine as part payment on a job. I was thinking maybe add some sugar and yeast and ferment it. but it's only an idea. any help would be greatly apprecipated. . I seen a old french chap make some years ago , I was to busy drink it, to learn how to make it. thanks Mic