Mariah Carey, Chris Isaak, Katie Melua, Sia...

I'll be there (Unplugged) - Mariah Carey
You are not alone - Michael Jackson
Blue hotel - Chris Isaak
Wonderful life - Katie Melua
Sleigh ride - Earth, Wind & Fire
Silent night - Chicago
Do they know it's christmas - Band Aid
Angel by the wings - Sia
The look of love - Rumer
It was a very good year - Frank Sinatra
7 years - Lukas Graham 
Morning has broken - Cat Stevens
Like I'm gonna lose you - John Legend & Meghan Trainor
Moon blue - Stevie Wonder