Well learning to actually read music is essential, so most lesson books for learning music will include how to read a musical scale, sharps and flats, and then whatever is needed to learn the instrument itself.
It's often more visual than textual, since the text really only informs the images of say... how to play a Eb on a flute, for example.
text
It's often more visual than textual, since the text really only informs the images of say... how to play a Eb on a flute, for example.