The final image in the series - if you missed the earlier ones they are still in my archive. 

Just in case you need reminding about the scenario, they are each listening to the same piece of music for piano called Für Alina by composer Arvo Part. I cannot see the sitter and press the shutter randomly 10 times whilst the short piece of music plays. This is the pick of the 10 shots for this particular sitter.

As I said before, not my idea, but I was curious to experiment and try it for myself - an example from the original series that I saw in the photographer's gallery in London is here...

http://www.artfacts.net/index.php/pageType/exhibitionInfo/exhibition/17683/lang/1