Jerry Blumengarten (also known online as Cybraryman1) is an educator with over 30 years experience. What began as a Middle School library page has developed into a site with lots of resources including a list of blogs and nings that address the future of education.
There is also a list of music sites and links to websites by music teachers (have not come across many of these) as well as links for the following subjects:
This site is definitely worth a look to help identify some great new resources.