Learn the orchestral instruments, meet musicians, or compose your own songs. playmusic.org
Various games, activities, and resources. A GREAT SITE!!! Dallas Symphony Orchestra for kids
Learn about composers, instruments, or play games!! One of my favorites! New York Philharmonic KidsZone
Can you see music? Give this a try!!! Animated music!
Many lessons and activities to help you learn your music theory. Wonderful website!!! Good for kids of all ages!!! Ricci Adams' music theory