hello,
there are several but a couple of examples:
http://basca.org.uk/basca-events/beginners-guide-to-prs-for-musics-systems-and-processes/
http://basca.org.uk/basca-events/winning-the-mental-game-of-music/
and sorry I entered the details incorrect on the left- I'm using wordpress version 3.8.3 I think