intervals, and notes on the piano and guitar. Whether beginning or advanced,
users can improve their fluency in recognizing notes, key signatures, intervals,
triads and more.
If your child is taking any online music theory classes, this site offers key music rudiments, all the way up to intermediate and advanced students who wish to fill in gaps here and there or increase fluency with existing knowledge. It is an ever-growing collection of highly-customizable online music theory flash cards.
There are also book available such as The Complete Idiots Guide to Music Theory, and Basic Music Theory: How to Read, Write, and Understand Written
Go on, have some fun with your senses!