Coldplay Fix You, Coldplay Piano Music
Coldplay Fix You uses an 'organ' type effect which you can hear at the beginning of the song.
If you have an electronic keyboard or synth, you'll be able to create this rich, full sound, too.
Let's start with one of the Fix You Coldplay music videos:
Coldplay Piano Music
You can play a similar type chord progression like this, for the intro:
The left hand holds down a G and Bb (black note), while the right hand steps up and down between Eb, D and C.
Then, with the chorus coming in, on the original track you'll start to hear the more traditional piano sound again, revolving around the Eb, Ab and Bb chords.
So the first two bars of my music sample below could go along with: