Steam London created this music video for international renown violinist David Garrett.  He performs Coldplays Viva La Vida, playing multiple parts at once.  My part in the creation of the video was a small selection of shots.  David Garrett was filmed in front of a green screen multiple times and was to be composited on to digital backgrounds.  I was producing keys and color grades of this footage and placing him on to the template background sequence.  The backgrounds required re-timing and re-positioning of the basic assets and then it was left to me to choose extra details like dust and smoke to add to the shot as I saw fitting.
My attention to detail in the keying can be seen in the video below.  I was able to keep a lot of hair detail, and details in motion blurred areas ( the violin bow in particular) that in other shots of the video were lacking.  I had two days to complete all the shots delivered to me and in every shot I pushed the keys to the limit to gain the best composite possible.  The video below represents half the work I did, the shots tinted red were not my shots.

The next video is a copy of the enitre music video finished.