Here’s my fall curriculum, centered on Music Theory but touching on other topics too.

Main Text
The Complete Idiot’s Guide to Music Theory by Michael Miller

Supplemental material
Music Theory Comprehensive 2, 4 taught by Jason Allen through Udemy (behind a paywall)
Understanding the Fundamentals of Music — recorded lectures by Robert Greenberg

One on One Instruction — “Miss Muse”  🙂

Exercises
post summaries here!
analyze music ex. songs from choir in church, folk music ex.  121 Favorite Irish Session Tunes

Also
the occasional “trip down the rabbit hole” on Youtube