The guitar is essential to the music of many cultures. Put together a library of different styles multi-cultural music that you can play for your class; this will help them to understand the wide range the instrument possess outside of rock and pop music, such as flamenco, jazz, reggae, classical, South African, blues, folk, blue grass, new age, country, Latin American. “Guitar Player Magazine” has a collection of recordings of world class guitarists called the Legends of: Jazz, Rock (50s, 60s, or 70s), Classical, Electric Blues. See if your school library can order these as a resource. Go to your library and see what guitar CD’s they have that you can take out on loan.