Leeneia
Maclain Colsten, who is a brilliant HD player, gave me this website for a lady called Dizzi. Go to this website (which is very interesting and she is an expert on the HD)and ask her.

http://www.dizzi.co.uk/

otherwise have a look at Maclaine Colstens on this website http://www.brightyoungfolk.com/gigs/maclaine-colston-and-saul-rose/intro.aspx

Maclaine Colston and Saul Rose youtube