I'm supposed to be practicing right now but wanted to pass on information about a blog that one of my students shared with me. It's written from the perspective of a harp player but includes plenty of interesting reading that will generalize to the hammered dulcimer.
Check This Out ... "Inspire you musicianship. Strengthen you playing. Discover new insights." That's what this blog's banner promises. Scroll down the "Home" page to the "Categories" listing. There's lots of good stuff in there! Here's the link: www.HarpMastery.com