I may be from the same town as the X Factor winner, but (part 2)

I will not be taking part in the karaoke at the office Christmas party on Monday.

I don't do singing. Even if I did do singing, it wouldn't be in front of my new colleagues, on a Monday lunchtime, stone cold sober. Equally, I'm not that keen on hearing my new colleagues sing on a Monday lunchtime stone cold sober.