The French webzine fanfig

http://www.atorgael.com/s-zine/FF01-Web.pdf

has a couple of tutorials translated into English which people might find interesting.

http://www.atorgael.com/fanfig/FF0-Shamisen-ENG-Web.pdf

http://www.atorgael.com/fanfig/FF01-...os-ENG-Web.pdf