Learning the Right Notes

I believe that we as Americans need to rethink our approach to music history.  I certainly think there is value in learning about Bach, Beethoven, Mozart and the like, but on a recent trip to Costa Rica I found I knew nothing of understanding the local music and culture.  I believe that our approach today to teaching music history is for us all to understand and be able to teach music of countries around the world.  I find South American guitar music to be some of the most beautiful music ever written.  Now more than ever, we are becoming a fused society of musical ideas and if we continue to hold fast to our Eurocentric methods of teaching music history, we are not doing our students any favors.  Does anyone know any good texts for young students regarding a true world music history?  As you ponder these thoughts, enjoy a sample below of Brazilian music from Putamayo.