I often mention the concepts of 'risk on' and 'risk off' approach to trading and 'correlation of FX pairs' throughout posts on this blog site.
Dean Malone, from Compass FX, has recently posted 2 videos that deal with these subjects. I have advised him that I have quoted these on my site and he is fine with this. I think that these videos are worthy of their own 'post' so I have listed them here.
Please remember that you can check for the correlation ratio of FX pairs at the free site, Forex Correlation' here: http://www.forexticket.co.uk/en/tools/01-01-correlation