Ken has been a big friend to the YouTube guitar and ukulele community for several years. Now he's helping the group that sits between the two, recently developing a high-D set of baritone ukulele strings and this video gives a great example of how they sound when placed at Ken's masterful fingertips.
I have a set of these strings on one of my baris too and although I am not so adept I really love the sound. I say that they are bright and mellow. They are all flourocarbon (no steel winding), are easy on the fingers, and do not have the bari-buzz that happens with some string sets.
Here's the link to get the strings... www.kenmiddleton.co.uk/pages/LWS.aspx.